In 1997, Detective Russell Poole launches the first major investigation into the murder of the Notorious B.I.G. Ten years later, Detective Greg Kading is asked to re-open the still-unsolved case.

Kading and Dupree brief the Biggie Smalls Task Force on the case's popular theories. Poole and Miller travel to Las Vegas to investigate a possible connection between Biggie and Tupac's murders.

Frustrated by their lack of progress, the Task Force questions Kading’s leadership. RHD investigates a bank robbery. Biggie warns Tupac that his new friends are dangerous.

The Task Force tracks down a person of interest; after Poole gets put on a new case, Miller interviews Biggie's widow; Tupac faces legal trouble and goes to record at Quad Studios in New York.

Poole and Tyndall investigate a dirty cop; the Task Force receives promising results from a ballistics test; Biggie releases "Who Shot Ya," spurring Tupac to make a risky alliance.

The Task Force makes progress on a suspect; Poole continues to be in conflict with Lt. Larson; Biggie and Tupac find themselves at the center of a growing rivalry between their record labels.

Poole takes his theory about Biggie's murder outside of the LAPD; Kading and Dupree have a long-awaited sit down; rising tensions between Biggie and Tupac boil over at the Soul Train Awards.

The Task Force gets help from an FBI informant with a questionable past; Poole shares his work with Voletta Wallace; after being shot, Tupac clings to life in a Las Vegas hospital.

The Task Force has a new target; Poole runs into his old partner, who has updates on the Biggie case; Voletta Wallace visits her son's hotel room the day after his death.

The Task Force and Russell Poole chase down their final leads.