After accidentally killing a man she wrongly thought was about to attack her, a traumatised Sarah Kohr is sent away on leave to forget the ordeal. But when she witnesses a man being shot at the airport, she has to help his son flee from the unknown killer.

After narrowly escaping from a lab technician who was found guilty of the murder of his lab assistant, Inspector Sarah Kohr has to track him down. But the killer is wanted by another assassin, linked to a scandal far greater than Sarah imagined.

Public Prosecutor Mehringer has been dealt a tough hand in his case against the Ukrainian arms trafficker Artem Lazarev: his most important witness is supposed to die. Investigator Sarah Kohr helps to stage the witness’ death, but all is not as they seem.

While driving with her mother, detective Sarah Kohr witnesses a robbery at a gas station and intervenes. After subduing the perpetrator who turns out to be just a 15-year-old, she has to investigate how he was able to get his hand on a live weapon.

It is no coincidence that detective Sarah Kohr intervenes when the life-threatening attack on a Chinese businessman in Hamburg completely overwhelms his bodyguards. Sarah knows that her former colleague Lanz was behind it, but she needs to find out why.

In a sealed factory with the highest security precautions, the destruction of deadly substances is underway. However, the lead chemist is kidnapped along with a canister of Sarin gas - an invisible and odourless poison that kills within minutes.

Ex-gang leader Degen escapes prison after 19 years, putting inspector Sarah Kohr and prosecutor Anton Mehringer in danger. Unable to count on the authorities without risking their secrets, they must confront their pasts when Degen kidnaps Anton's son.

In a post-pandemic Europe, conspiracy theorist Felix Morgenroth becomes obsessed with exposing the "coronavirus lie." Convinced that physicians Carsten and Lisa Kippmann were behind the conspiracy, Felix seeks retribution through a devastating explosion.