An ex-cop Caitlin indicted gets out of prison and terrorizes her. Harvey has an affair with a woman he met undercover. Joe has urgent sex with ovulating Inger.

The SIU is disbanded by MCD: Nash and Joe are assigned to Park Detail, Harvey to Homicide, Evan to Traffic, and Caitlin to Vice. Still, Nash manages to solve a murder involving the Head of MCD's daughter and a drug dealer. Evan and Cassidy announce a wedding date.