A rookie cop partners with a rogue detective on his first day as a Los Angeles narcotics officer. They encounter various criminal activities, including abuse of authority, shakedowns, and even murder. The rookie cop begins to question the detective's methods and ultimately confronts him, leading to a shootout and the detective's demise.

A prequel to the 2001 film Training Day. It will reportedly follow a younger version of Denzel Washington's character, Alonzo Harris, during the violent Los Angeles riots of 1992 following the controversial Rodney King verdict.