Lydia and Rene arrive in Compton, where a young USC student was murdered. Kenny and Andy canvass the neighborhood while Nate and Sammy investigate a house nearby where a party took place the night before. John and Ben head to Indian Wells for the funeral of a cop that proves to be very personal for John. They also stop at a halfway house for cops to see how Dewey is doing. And Lydia decides to talk to her mother about something that has been festering between them for years.