Four Harlem friends -- Bishop, Q, Steel and Raheem -- dabble in petty crime, but they decide to go big by knocking off a convenience store. Bishop, the magnetic leader of the group, has the gun. But Q has different aspirations. He wants to be a DJ and happens to have a gig the night of the robbery. Unfortunately for him, Bishop isn't willing to take no for answer in a game where everything's for keeps.
When a rare phenomenon gives police officer John Sullivan the chance to speak to his father, 30 years in the past, he takes the opportunity to prevent his dad's tragic death. After his actions inadvertently give rise to a series of brutal murders he and his father must find a way to fix the consequences of altering time.