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.

Lem's loyalty to Vic is tested when he's interrogated by Lt. Kavanaugh and Aceveda about the Strike Team's corrupt past.

While the Strike Team figures out their next step concerning IAD's investigation into Lem, they put Tina undercover to help bust a sex trafficking operation.

As Becca contemplates whether or not to represent the Strike Team, Vic discovers the truth about Emolia.

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.

The walls close in on Vic when Kavanaugh invades the Barn and sets up office.

The Strike Team's solidarity begins to crack under Kavanaugh's constant scrutiny.

As Kavanaugh deals with the emotional circumstances surrounding the return of his ex-wife, his obsession to take down the Strike Team comes to a head.

With their finances frozen, Vic and his guys are forced to find other means to bail Lem out of jail.

While Lem prepares to plead guilty to the heroin charges, Vic strikes a deal with Antwon Mitchell that will guarantee Lem's safety in prison.

Vic arranges to get Lem safely out of the country and set up a new life for him in Mexico.