Mannion tries to stop the execution of a man falsely accused of murder when a priest receives an anonymous letter revealing the whereabouts of the murder weapon. In the meantime, Ella struggles with whether to let Ricky visit his father in prison.

Mannion attempts to stop a gang war and ensure the release of two officers held captive by one of the gangs. In other events, Temple suffers the effects of smoking crack while undercover as a drug dealer and Ella receives a marriage proposal.