A case of mistaken identity lands Slevin Kelevra (Josh Hartnett) into the middle of a war being plotted by two of New York City's most rival crime bosses, 'The Boss' (Morgan Freeman) and 'The Rabbi' (Ben Kingsley). Under constant surveillance by Detective Brikowski (Stanley Tucci) and assassin Goodkat (Bruce Willis), Slevin must get them before they get him.