Southland

Lydia adjusts to having a new partner; Russell deals with having a desk job on the force; Sammy and Nate look for the killer of two gangbangers; Ben catches an attractive woman's eye; John struggles with increasing pain.

Sammy and Nate feel threatened when Sal calls in Lydia and Josie to help them solve a series of gang murders; John must keep an eye on Dewey after his stint in rehab; Ben rides with Chickie.

Ben seeks revenge when his mother's rapist is released from prison; Lydia and Josie clash over a chainsaw; Sammy deals with his wife's betrayal.

Joe gives Ben several tips about being a police officer; Sammy stays with Nate's family while he sorts out his marital problems; Lydia and Josie handle a drug-related murder case.

Lydia and Josie investigate a complicated rape case on the Westside; John bonds with an abandoned teenager while also dealing with having to testify at his father's parole hearing.

Lydia deals with being in the spotlight while working on a celebrity murder case; Sammy goes out on patrol; John and Ben are frustrated over a security detail.

Lydia is suspended from duty and bonds with an injured witness; Chickie is haunted by a high-speed chase; John tries to clean up a neighborhood.

Sammy seeks answers in the desert; Lydia and Josie watch an important witness before a murder trial; John and Ben help a child in need.

Cooper's drug problem becomes worse; Ben nears the end of his training period.

Ben is challenged on his final day as a rookie; John's reliance on painkillers grows; Lydia and Josie's working relationship is tested; Sammy continues his search for Nate's killer.