A notorious drug dealer is killed by a thief who stole Hunter's "backup" gun, returning it immediately after the killing. With Hunter locked up in jail with an inmate planning on killing him, McCall must catch the true killer to clear Hunter's name.
Son of a mobster, Detective Sergeant Rick Hunter finds it difficult to keep a partner. The Captain assigns Hunter a new partner, but Hunter has another maverick in mind, Sergeant Dee Dee McCall. Hunter and McCall team up to catch a serial killer.