When hitman Jimmy 'The Tulip' (Bruce Willis) hides out from the mob in a quiet Montreal suburb fate conspires to interwine his path with that of his dentist neighbour Oz Oseransky (Matthew Perry). Oz's wife Sophie (Rosanna Arquette) persuades Oz to travel to Chicago and reveal Jimmy's whereabouts to the mob, then in order to keep the anticipated reward money all for herself, takes out a contract on Oz's life. However, when Oz returns to Montreal he finds himself thrown together with Jimmy - they both have contracts on their lives and, in order to stay alive, have to work together.