Slevin is mistakenly put in the middle of a personal war between the city’s biggest criminal bosses. Under constant watch, Slevin must try not to get killed by an infamous assassin and come up with an idea of how to get out of his current dilemma. A film with many twists and turns.
Mike Sullivan works as a hit man for crime boss John Rooney. Sullivan views Rooney as a father figure, however after his son is witness to a killing, Mike Sullivan finds himself on the run in attempt to save the life of his son and at the same time looking for revenge on those who wronged him.