Fifteen years following the events of the original film, Kyle Craig is tasked with infiltrating an elite unit of the LAPD. He goes undercover as a trainee under Detective Frank Rourke, with the mission of observing and reporting on Rourke’s unconventional tactics. As Frank begins to mentor his morally upright trainee in the realities of street life, they develop a tense partnership that will forever alter the trajectory of their lives.