When Monica puts Vic on the trail of an escaped fugitive in Farmington, he must continue to prove his worth while playing it straight. Claudette gets suspicious of the D.A's motives when she and Dutch are assigned to investigate a major drug dealer who ends up being a minor offender. David seeks an illicit outlet for the troubling feelings caused by his rape. Vic decides to bring Shane closer as his fears about Shane's connection to Antwon Mitchell rise.

A tip from Lemonhead's juvie would leads Vic and Monica to take down a major heroin operation with connections to Antwon Mitchell. Monica continues to battle Aceveda as she tries to sell her new policies to the community, and Julien begins to doubt her methods. Claudette loses trust in Dutch when she suspects he made a backroom deal with the D.A. And Shane and Army find themselves over their heads with Antwon when he blames them for Vic's heroin bust.

Monica and Vic rush to get their informants off the street after two C.I's are found brutally murdered. Meanwhile, as Dutch and Claudette investigate a brutal beating and robbery, a case from the past forces Dutch to take one in the line of duty. Plus, Vic suspects he's being set up when Shane comes to him after his situation with Antwon and Halpern spins out of control.

Vic and Monica go head to head with Antwon, and do everything in their power to get him to admit to being involved with the cop killings. Monica is shocked when Vic and Shane confront her with the information they've been hiding regarding Antwon and Angie's body. Shane and Army wonder if they'll be able to pass the lie detector test Monica is forcing them to take. Meanwhile, after another young black woman is murdered, Dutch and Claudette hope to prove their suspicions correct with their recently relocated Texan.