Sergeant Jake Doyle is assigned to protect a mob informant, but when a mysterious group of men impede him, Jake finds the tables turned - himself the target of a manhunt.
The Doyles are hot on the trail of an international art thief as they try to help a federal cop buddy bring her to justice before she can elude him once again; Constable Hayward makes a grave mistake with career-impacting implications; Leslie struggles as she deals with an important family issue.
The Doyles work with Jimmy and Wolf to help protect a whistle blower at the docks. Someone from Sloan's past comes back and makes trouble.
