L.A.P.D. detective Russell Poole (Johnny Depp) has spent years trying to solve his biggest case, the murder of musician The Notorious B.I.G. in the wake of Tupac Shakur's murder. But after two decades, the investigation remains open. "Jack" Jackson (Forest Whitaker), a reporter desperate to save his reputation and career, is determined to find out why. In search of the truth, the two team up and unravel a growing web of institutional corruption and lies. Relentless in their hunt, these two determined men threaten to uncover the conspiracy and crack the foundation of the L.A.P.D. and an entire city.