LEE PAK KIU is an orderly person. He is shocked to discover a cockroach coming out from his roommate CHUNG LAP MAN’s messy room… KIU searches for MAN at the police station. MAN just made a mistake at work while investigating a case but KIU insists that MAN should go home to tidy up his room. KIU works in the Emergency Unit of the police force. While patrolling on the street, he discovers that somebody is attacking a man. The gang leader of Tsun Hing, LEUNG SIU TONG, is hitting PING but PING refuses to reveal the truth the KIU. During the time, KIU receives a message from the police control room and learns that a woman is abducting a child with a knife. PING is shocked for he believes that this woman is his mentally diseased wife… After staying in jail for 10 years in Taiwan, JIANG SHI XIAO is finally released and he is surprised to see his good friend TO YIK TIN at the gate……

XIAO is suspected of possessing drugs and the police take him away for investigation. TONG is also invited to the police station for investigation. He meets MAN there and they argue with each other. MAN goes fishing with KIU and they meet XIAO again… KIU meets TIN and his followers on the street while carrying out a task. KIU deliberately put pressure on XIAO and the other gangsters. SUM reveals to XIAO that his daughter contacts her every month to return money to her. XIAO wants to see his daughter desperately and SUM brings him to a nightclub. XIAO blames SUM angrily for he believes that YOU would not work in a nightclub. SUM is enraged and she even rejects the phone call from YOU… MAN looks for his informer KWOK KEUNG and he meets YOU who sells pirated DVDs on the street. TONG asks his subordinate to smuggle drugs and his subordinate asks his son to carry out the task……

After a meeting with all gangster leaders, TIN asks XIAO to handle the disco business for the gang. TONG is dissatisfied but he can do nothing. MAN discovers that YOU is the writer of a very popular travel blog but he later realizes that YOU has made up all the contents. While talking with MAN, YOU discovers that the customs officers are coming. YOU asks MAN to help taking away the pirated DVDs. YOU questions KEUNG for the reason of treating the policeman MAN as a friend. During the time, she suddenly discovers XIAO and SUM… YOU discovers that MAN is secretly observing a suspect and she comes to disturb him. KIU discovers that some people are taking drugs in XIAO’s disco and a young girl suddenly runs to the rooftop after taking drugs… SUM wants to reunite YOU and XIAO but YOU refuses to meet XIAO. SUM gets close to XIAO to console him but TIN’s subordinate witnesses the scene coincidentally…

TONG reveals to TIN that XIAO is seducing SUM. TIN remains calm but he suddenly hits XIAO and threatens him with a gun… XIAO sits by the harbour miserably. MAN witnesses this and he shows him YOU’s travel blog. XIAO voluntarily suggests to MAN that he wants to be an informer for the police. SUM explains to TIN that there is nothing between her and XIAO. TIN invites XIAO for a dinner but XIAO rejects him coldly. TONG accuses XIAO for being impolite and XIAO is enraged… KIU learns that OI’s house is robbed and he catches the thief tactfully. OI is very grateful and she wants to introduce her daughter to KIU… OI buys a pirated DVD from YOU and she even gives her a name card. SUM helps YOU tidy up the place and she is shocked to see OI’s name card…

XIAO asks MAN to drive him to somewhere. Upon arrival, XIAO reveals to MAN that he has successfully entered the drug trafficking network and he is carrying drugs at that moment… KIU waits for MAN after work and he questions him for getting close to XIAO lately. XIAO arrives at the factory to find that TONG is assigned to the same task as well. MAN receives information from XIAO. In order to observe the factory, MAN goes to KEUNG and YOU’s place. During the time, MAN has nothing to do and he leaves message to YOU on her blog by using the name “Prince Lucky”. YOU discovers that XIAO is working close to her and she goes to the factory to look for him… MAN realizes that YOU’s move will cause trouble to XIAO. Coincidentally, TIN and TONG arrive at the factory to check out the progress. MAN calls for help but… TONG discovers some police car nearby and he accuses XIAO for betraying them……

TIN is arrested and all gang leaders of Tsun Hing gather together for a meeting. However, no constructive plan is being made and SUM leaves disappointedly. XIAO proposes rescuing TIN from the jail by recruiting some mainland gangsters and SUM is overjoyed. YOU is very worried about XIAO. MAN suddenly arrives and he brings XIAO to her. MAN recommends YOU to work in BONG’s comic book shop. In the morning, the policewoman FA YEUK BO suddenly gets an asthma attack while jogging and KIU rescues her. BO is OI’s daughter. OI learns from the magazine that SUM’s husband is arrested and she is very worried. CHI ZHONG leads a group of mainland gangsters to rescue TIN from the police car. The police and the gangsters have a big fight on the busy street. BO arrives at the scene to assist the team. She meets ZHONG and TIN coincidentally. KIU also arrives at the scene with a gun… SUM feels very uneasy and she decides to cancel her Taiwan trip……

SUM tells TONG that all the money in the safe has gone. TONG believes that XIAO has taken away the money and he attacks XIAO angrily upon meeting him. Gang leaders of Tsun Hing arrive and reveal that XIAO has asked them to safeguard TIN’s money. SUM organizes a funeral for TIN by herself. She is too tired that she is knocked down by a car accidentally. While visiting BO in the hospital, OI discovers SUM there. She asks XIAO about SUM’s health condition. Somebody discovers that YOU is writing travel blog in the comic book shop. MAN helps YOU cover up her lies… BO starts working at the Emergency Unit. She talks about the gunfight with her colleagues and new Sergeant SZETO CHIU overhears their conversation. CHIU and BO are assigned to KIU’s team. CHIU used to be a trainer in the police school and his strict management style is not welcomed by the team. After TIN’s funeral, all gang leaders in Tsun Hing start to fight with each other…

TONG is drunk and he goes to SUM’s house to ask for her mercy. TONG gets close to SUM uncontrollably… XIAO arrives on time to rescue SUM and he scolds TONG angrily. TONG is afraid of being killed and he asks XIAO to keep this secret for him… Somebody gets drown at the pier and CHIU asks BO to rescue the victim but… Everybody try to encourage BO and they invite her to BBQ at KIU’s place. BO discovers that OI is working as a maid secretly. OI learns that BO is facing a lot of troubles at work and she persuades BO to quit. BO leaves the house sadly. KIU rushes out to look for BO and he discovers that BO is jumping into the sea… FOOK TIN makes troubles at XIAO’s disco and TONG tries to stop him. They start a big fight again… MAN meets up with XIAO to tell him the whereabouts of YOU. SUM learns that FOOK TIN has provoked XIAO and she goes to his sauna alone…

SUM becomes suspicious on XIAO because of the driver ZHONG. She tries to put a tape recorder in XIAO’s car and TONG witnesses this accidentally. TONG wants to accompany SUM to Taiwan for investigation but SUM wants to carry out the task by herself secretly. XIAO discovers the tape recorder while driving with TONG… BO meets a thief while patrolling. She tries to run after the thief but she gets an asthma attack suddenly. KIU asks CHIU to treat BO nicely. They argue with each other angrily and they finally reveal to MING that they cannot work together. TONG and SUM go to Taiwan to visit the gang leader there for they want to investigate the background of ZHONG. SUM returns Hong Kong to arrange the location of TIN’s coffin. FOOK TIN suddenly comes out to blame her. Somebody attack SUM on the street. ZHONG and TONG risk their lives to safe SUM……

The police suspect that MAN is collaborating with XIAO and they ask MAN to take leave for internal investigation. KIU tries to help MAN but they end up quarreling with each other. MAN stays in the comic book shop for the whole day and he eventually goes to stay in YOU’s place. KIU and BO are transferred to the hiking team. They meet a little girl on the hill while patrolling. They help her find her mother but they later discover that her mother is an illegal immigrant… XIAO meets up with FOOK TIN and he requests him to return 3 million dollars debts to the gang. MAN discovers that YOU is sick and he takes good care of her. MAN is being investigated by the police and his ex-trainer MING voluntarily asks to become his reference. MAN is very grateful and MING reveals to him that KIU has asked him to do so. MAN is deeply touched. XIAO blames MAN for getting close to her daughter…

In the evening, YAN visits MAN secretly. He persuades MAN to become an undercover agent for the police and carry out investigation on XIAO. FOOK TIN is suddenly trapped in his sauna room. XIAO and TONG rescue him from the room and they threaten him to return the debts. CHIU meets KIU and BO on the hill. He challenges BO to a running contest. Encouraged by KIU, BO accepts the challenge but she becomes exhausted in the middle of the contest. CHIU voluntarily teaches her the technique of running. SUM meets her mother while shopping in a supermarket. OI goes to SUM’s home to teach her cooking. CHIU discovers some suspects. After reporting to the police control room, the suspects suddenly abduct him. KIU and BO rush to the scene to rescue CHIU and they start a gunfight with the gangsters… On the other hand, the police discover that MAN has helped XIAO deliver drugs before and he is finally dismissed from the police force…

YOU fails to get in touch with MAN and she is very worried. KEUNG asks YOU to pick him up from the jail. YOU arrives to find MAN there as well… YOU invites XIAO to fishing and she asks XIAO to help MAN. XIAO invites MAN to work in his disco but MAN rejects him. KIU and BO are transferred to patrol on the street again. They discover that MAN is offering illegal parking service on the street. OI and SUM decide to open a restaurant together. While checking out the venues, OI loses her wallet and SUM accompanies her to the police station. BO’s colleague informs OI that BO is going to receive an award and OI joins the presentation ceremony happily. BO finds that OI is staying with TIN’s wife SUM and she questions her angrily. OI lies to BO that SUM is her cousin… BO discovers that OI meets up with SUM secretly and she rushes to SUM’s home to blame her. MAN tries hard to approach TONG and TONG humiliates him in every ways.

During her morning exercise, BO discovers that KIU is very depressed after learning that MAN has entered the triad society. BO delivers breakfast to KIU to cheer him up. MAN and KEUNG are actually offering illegal parking service inside LUN’s territory. LUN brings a group of gangsters to TONG to complain about it and TONG asks XIAO to make a fair judgment for them… Everybody discover that YOU is XIAO’s daughter and they dismiss her. In order to cheer YOU up, XIAO asks MAN to make friend with her… YOU wants to quit writing travel blog but she suddenly receives encouragements from Prince Lucky. MAN rejects XIAO on the surface but he keeps encouraging YOU secretly. YOU reveals to XIAO that she wants to actualize her travel blog and tour around the world. SUM has given up her restaurant plan in the meantime and she agrees to accompany YOU to travel around the world.

KIU joins the Organized Crime and Triad Bureau. He concentrates on attacking loan sharks. KIU tries to look for information from BING with his subordinates but they find that BING is trying to commit suicide at the rooftop. BO successfully persuades BING to give up the idea and KIU appreciates her improvements very much. KIU asks BING to help luring the gangster from the loan-sharking syndicate and he is shocked to find MAN there… XIAO praises TONG and MAN for dealing with the unexpected situation calmly and tactfully. YOU and SUM return Hong Kong after traveling around the world. YOU reports to XIAO that a publisher is interested in her travel stories and would like to publish a travel book for her. YOU goes to MAN’s place for she wants to find out if MAN is Prince Lucky. XIAO finds that SUM is chatting intimately with a French chef and he is jealous. Both TONG and XIAO love SUM secretly……

TONG reveals to SUM that he has fallen in love with her secretly for many years already. He was the one who created all the romantic ideas for TIN to pursue her in the past. SUM reveals to XIAO that she is deeply touched by TONG but she has no special feelings on him. XIAO assures her that he will manage the case for her. XIAO tries hard to persuade OI and OI finally agrees to open a restaurant with SUM. A group of helmet gangsters suddenly appear on the street to attack people. KEUNG is carrying a helmet and the police approach him to carry out investigation. MAN comes to help KEUNG and KEUNG realize that this is MAN’s birthday. KEUNG informs YOU and asks her to celebrate with MAN. MAN finds that the helmet gangsters are attacking an old lady and he helps arrest the gangsters. KIU meets MAN and he invites him to fishing but MAN rejects. KIU is very depressed and he meets BO on the street……

XIAO is occupied with something and he asks TONG to chair the meeting for him. LUN is dissatisfied about it and he insists that he should be the leader. TONG and LUN start a quarrel with each other. Luckily HUNG helps calm them down. TONG learns from the TV news that a Hong Kong lady has died in an air flight accident and he is totally shocked. MAN witnesses this and TONG asks him to drink with him. SUM meets them while driving and she brings TONG home to take care of him. YOU asks MAN where has he been on his birthday. MAN lies to her that he had gone to nightclubs with KEUNG. YOU questions KEUNG and realizes that MAN was lying. YOU therefore decides to take the initiative to date him. MAN eventually agrees to go out with YOU. They act like lovers and YOU feels very happy. BO discovers that SUM is her sister and she starts a quarrel with her. OI is attacked by the helmet gangsters and she is seriously injured……

XIAO discovers that the helmet gang leader is arrested and he is displeased. CHEUK YAN praises KIU in front of everybody but he is also sorry for not being able to arrest the ultimate commander of the helmet gang. XIAO invites a famous brain doctor from overseas to investigate OI’s condition and the result is not optimistic. XIAO therefore asks KIU to help persuading BO. OI’s operation is successful and XIAO drives SUM home. SUM falls asleep on the car. XIAO doesn’t want to wake her up so he stays with her in the car. YOU invites MAN to her place for she wants to give him the most important thing in her life… YOU’s travel book is published and MAN helps her to send the books to everybody. MAN’s friends persuade him to leave the triad organization but MAN claims that it was YOU’s idea for him to meet up with them but he actually doesn’t have the intention to do so……

TONG carries out the task successfully and XIAO gives him great rewards. TONG wonders why the transaction process of drugs is so complicated. XIAO reveals to him that everything is kept confidential for safety reasons. He also doesn’t know the whereabouts of the drug factory. YOU and MAN find that KIU and BO are dating in the coffee shop. YOU reconciles with BO and they become friends again. KIU learns from the helmet gang leader that the gang leader LAK KAI from New Territories has decided to fight with the gang leader in Wanchai. He worries that a big fight is going to happen. After recovery, OI deliberately invites KIU to have dinner at home. When leaving, KIU reveals to SUM that he has no plan for marriage yet and BO overhears the conversation… KAI invites XIAO for a meeting and he requests XIAO to handover part of his territories to him. XIAO rejects and an explosion occurs at his disco……

Somebody attack HUNG’s house with bombs and the place is on fire. TONG wakes up after the shock and he rescues XIAO out of the fire immediately. XIAO wakes up to realize that SUM is trapped inside the house and he rushes into the house to rescue her. ZHONG doesn’t want XIAO to fall in love with SUM. He agrees to reveal the whereabouts of their drug factory to XIAO but XIAO has to give up SUM. SUM discovers that XIAO is keeping a distance from her so she tries to question him but XIAO reacts to her coldly. TONG goes to MAN’s home to watch soccer match. He asks MAN to achieve higher status at the gang by making use of YOU but MAN rejects him angrily. XIAO visits KAI to show his goodwill but he just wants KAI to be less defensive on him. YOU quarrels with MAN and she asks Prince Lucky out but Prince Lucky (MAN) rejects her…

When YOU returns home, her whole body is wet. SUM discovers that YOU is very depressed and she tries to console her. After talking to YOU, SUM realizes that MAN is Prince Lucky. On the next day, YOU takes the initiative to visit MAN and she reveals that MAN is Prince Lucky but MAN denies… During the gangsters’ meeting, XIAO suddenly announces that he will hand over half of his territories to KAI and everybody objects the idea. YOU asks MAN out but MAN doesn’t show up at the end. In the evening, MAN discovers that YOU is still waiting for him… YOU is overjoyed to see MAN. She reveals to him that she will treat him as a friend in the meantime and she will wait for him for 10 years. KIU arrests the suspect for causing all the explosions but he finds the case very suspicious. TONG reports to XIAO that KAI is fornicating with LUN and XIAO is worried……

SUM asks TONG to give explanations to her. TONG doesn’t want SUM to reveal the truth to XIAO so he mesmerizes her. XIAO agrees to bring TONG to the drug factory but the building alarm suddenly rings crazily and XIAO cancels the plan. TONG rushes back to the hotel to ask for SUM’s mercy. He reveals to SUM that he doesn’t want to lose the trust of XIAO. During the moment, XIAO suddenly calls SUM and SUM helps TONG cover up his secret. XIAO praises MAN at the disco and TONG blames MAN for showing off in front of XIAO. YOU carries out her promise and she stops troubling MAN. MAN leaves message on YOU’s blog to encourage her and YOU is overjoyed. XIAO invites MAN to join their drug trafficking team and MAN is overjoyed. MAN helps deliver drugs to ZHONG but ZHONG discovers that the drugs are missing…

ZHONG takes MAN back to the gang and XIAO asks TONG to kill MAN… After the incident, MAN blames TONG for neglecting his life and they break up with each other. SUM tries to send back the heart-shape pendant to TONG but TONG refuses to take it back. TONG wants SUM to take the gift if she treats him as a true friend. XIAO reveals to TONG that he can bring him and SUM together but TONG has to bet his life on it. MAN meets up with KIU secretly and he reveals that he was almost killed by TONG. KIU is very worried about him. XIAO asks MAN to smuggle drugs with TONG but he requests MAN to kill TONG on the way… On KIU’s wedding day, he is requested to collect the evidence of their love at the place where they first became lovers. KIU finds the evidence successfully but he hears the sound of a gunshot when leaving the place. KIU follows the sound and he discovers that MAN is having a fight with TONG…

BO meets a robber while patrolling. CHIU and BO run after the robber but CHIU fails to catch up. Fortunately, BO arrests the robber successfully. HUNG invites LUN and SUM for lunch but XIAO suddenly appears. HUNG objects XIAO’s idea to promote MAN and he says that SUM is also on his side. LUN threatens MAN by beating him fiercely. The Emergency Unit of the police force arrives at the scene and BO is heart-broken to find that her sister SUM is involved in the gangster affairs again. MAN decides to cancel his 10-year agreement with YOU and he wants YOU to be his girlfriend immediately… XIAO comes to realize that MAN and YOU have become lovers. During the gangster meeting, XIAO discloses to everyone that LUN and KAI are fornicating. Showing support to his son, HUNG breaks up with other gang leaders. LUN requests XIAO to divide up the properties of Tsun Hing. During the time, KIU suddenly arrives with his colleagues…

While KIU is dealing with LUN, YAN discovers the actual routes for smuggling explosives and he believes that LUN is trying to draw away their manpower so that KAI could smuggle the explosives to Hong Kong successfully. YAN coordinates with other departments to corner KAI… HING rushes into SUM’s restaurant with blood all over his body and he begs SUM to help saving LUN from death because XIAO made an order to kill LUN. During the time, XIAO and ZHONG also arrive at the restaurant… MAN learns that YOU is sick so he goes to visit her. He is shocked to discover that YOU might be pregnant. MAN doesn’t know what to do and he suddenly discovers some new evidence… YOU asks XIAO to allow MAN moving in to their place. XIAO goes to SUM’s restaurant to order some food and he eats in his car alone. SUM suddenly comes into his car to accompany him…

OI invites SUM to jogging and they meet XIAO on the hill… OI asks XIAO to accompany SUM and she leaves. While SUM is resting, XIAO goes to buy drinks for her. SUM starts recalling everything that XIAO has done for her and she is suddenly attacked by ZHONG. XIAO rushes out to subdue ZHONG… XIAO returns to SUM and SUM suddenly agrees to be his girlfriend. CHIU runs after some gangsters but they subdue him in return and humiliate him with oil spray. BO tries to encourage CHIU but CHIU has decided to resign. YOU discovers that MAN is acting strangely and she discusses this with SUM. YOU deliberately lets MAN sees their secret safe. BO provokes MAN because of CHIU’s case and MAN makes a complaint to the police force. KIU visits MAN at night for he wants MAN to stop making the complaint. He meets XIAO coincidentally and discovers the true identity of TONG by accident.

During a meeting, KIU suddenly suggests to stop carrying out a plan. KIU meets up with YAN and questions him about TONG. KIU is ashamed for killing TONG and he cries in front of his father’s grave… SUM meets up with MAN. She unmasks his real identity and threatens him to reveal the truth to XIAO. SUM gets in touch with KIU and they go to TONG’s grave together. XIAO is jealous for SUM always wears the pendant given by TONG so he tries to make her a new one. XIAO wants MAN to trade drugs with him but SUM proposes to offer sacrifice to the God beforehand and she suddenly collapses… XIAO receives a call from the jewellery shop and he learns that there is a hidden voice recorder inside TONG’s pendant… BO meets up with YAN. She asks YAN to encourage KIU since KIU suddenly wants to resign. YAN invites KIU to practice gun shooting together and KIU reveals his true feelings to him…

XIAO declares to YAN that there is another undercover in his gang. ZHONG follows KIU secretly and he discovers that KIU is meeting up with SUM. YOU asks MAN out. MAN arrives to discover that YOU wants to have marriage registration immediately. MAN rejects her and YOU leaves unhappily. YAN believes that the situation is getting dangerous and he asks MAN to hide away. YOU airs her grievances to SUM and SUM consoles her for she has a plan already. SUM asks XIAO to get married with her and leaves the gang. XIAO eventually agrees. BO tries her very best to encourage KIU and KIU finally decides to return to work. They return home to discover that SUM is going to marry XIAO and they are shocked. ZHONG goes to visit SUM angrily but he is actually coming to congratulate her.

XIAO asks SUM out. He reveals his plan to SUM and SUM is shocked. SUM returns to discover some wedding gifts from OI and BO. She finds it hard to reveal the truth to them. SUM learns that there is some bad smell in the restaurant and she discovers the secret of the drug factory… SUM asks XIAO to meet her in the restaurant for she wants to reveal her final decision to him… OI starts a quarrel with CHIU while feeding a stray dog. BO comes to stop them. After CHIU leaves, BO reveals to OI that CHIU’s beloved dog was killed when he was chasing after some robbers long time ago. CHIU loses the motivation to continue his job but he suddenly meets some robbers on the street. Encouraged by the stray dog, CHIU catches the robbers successfully. YOU is surprised to see XIAO for he is supposed to be on honeymoon with SUM. She questions the whereabouts of SUM but XIAO says that he doesn’t know as well…

OI tries to get in touch with SUM. BO has no choice but to reveal that SUM has been missing. OI begs XIAO to reveal the whereabouts of SUM but XIAO laughs coldly to her. XIAO tries to test MAN by asking him to deliver drugs. MAN is arrested but CHUEN falls down from a building while trying to catch him. MAN rescues CHUEN in front of XIAO and ZHONG… MAN realizes that his real identity is exposed and he suddenly receives YOU’s call. YOU reminds MAN to hide away and XIAO overhears the conversation. YAN wants to focus their manpower on MAN and KIU questions him for the reasons. MAN rushes to XIAO’s place and he is willing to sacrifice his life in exchange for the safety of YOU… XIAO releases MAN but all the Tsun Hing gangsters attack him. They force him to meet up with LUN. During the time, KIU also arrives with a group of policemen… CHIU discovers the secret of the drug factory accidentally and he is being attacked suddenly…

KIU receives a message from MAN and he brings everybody to the drug factory. Upon arrival, he discovers that the place is emptied already. XIAO teases them arrogantly and YAN arrives to speak for his team. YAN warns KIU that he will be punished if he continues to ignore the rules of the police force. After a series of test, XIAO believes that MAN has nowhere to go and he needs to seek help from him. On the other hand, XIAO is surprised to discover that CHIU is still alive after the attack even though he is unconscious now. SUM is missing and MAN suggests YOU to take charge of the restaurant. XIAO is shocked… KIU meets YAN when visiting CHIU. Later, KIU receives a mysterious message… MAN delivers drugs to the drug factory but the factory-in-charge says that there are a lot of impurities inside the drugs. XIAO arrives at the factory to investigate the case and he suddenly hears a loud noise from outside. The noise is created by YOU…