Officer Art McCall returns to the force after eight years on disability. He rides with Malloy and Reed learning changes since he left the force. They start with a young woman whose ex-husband has returned from prison and she feels threatened. McCall wants to resort to old techniques that are no longer allowed. After a juvenile robbery bust, they are forced to release the boy captured by Art who did not read the boy his rights. He fumbles the arrest of the ex-husband carrying a gun. After being released, the ex-husband plants a bomb in the woman's car. Malloy is forced to have a frank discussion with Art about his inability to adjust to the changes in law enforcement policy.