When the Maguire siblings find themselves at odds with a local Drug Lord named John Bishop events escalate quickly. After Bishop’s crew pick up Liam Maguire, his sister Penny will stop at nothing to get him back. She enlists Nick McNulty, an ageing enforcer with a reputation for brute force to help their cause. McNulty sees helping two innocents escape the grips of the Boston underworld as his last attempt for salvation. Is he willing to pay the price?