The story of an inner-city Los Angeles police precinct where some of the cops aren't above breaking the rules or working against their associates to both keep the streets safe and their self-interests intact.
Vic and Aceveda form an unlikely alliance to expose a mutual enemy.
As Vic's worst fears are realized in learning who really killed Lem, Dutch and Claudette meet a witness that incriminates him.
As the Barn mourns the loss of Lem, Vic's bloodlust for the killer puts him on a collision course with Kavanaugh.
Vic arranges to get Lem safely out of the country and set up a new life for him in Mexico.
With their finances frozen, Vic and his guys are forced to find other means to bail Lem out of jail.
The walls close in on Vic when Kavanaugh invades the Barn and sets up office.
Kavanaugh bugs the Strike Team's clubhouse to get his stalled investigation back on track as Vic and the guys try to end a deadly prescription drug ring.
As the Strike Team tries to end a race war between Blacks and Mexicans, Dutch and Claudette investigate a riot at a high school that also stem from racial tensions.