we have see it many time before . from miami vice to lethal weapon and and furthermore in rush hour and the cultural and personality clash of mismatched ally unwittingly work together have long become an established formula . the new unlikely pair come in the guise of eugene levy and samuel l. jackson and two individual who stand at the furthest polar opposite from each other and both rely on their stereotypical persona of the tough guy and the bumbling nerd to illustrate this contrast . a routine business trip from wisconsin to detroit turn into an unexpected case of mistaken identity for andy fiddler ( levy ) and a dental supply salesman and while head to a convention . upon his arrival and he coincidentally cross path with derrick vann ( jackson ) and a federal agent who just happen to be deal with the death of his partner and a stash of stolen firearm . from then on and derrick us andy in his scheme to recover the weapon and expose the leader of the operation ( luke goss ) . andy and who be believe to be a participant in the whole criminal dealing and have no other choice but to cooperate with derrick and solve the case in time to make it to his convention the next morning . the man employ the usual rule of buddy movie and a we see the two lead initially team up with reluctance only to inevitably become accustomed to each other in the end . both discover that they can learn from one another and with andy teach derrick to be more trusting and more appreciative of family value and while derrick teach andy to be more assertive . levy and jackson combination be effective to a certain degree and due in great part to the clear distinction between positivity and negativity which emanate from both character and the two element nonetheless blend together to create highly compatible opposite . unfortunately and this exuded chemistry can not sustain the rest of the material which all too often resort to extensive flatulence sequence and result in two heavyweight actor float on nothing more than hot air in a film that practically have no other substance and that lingers unpleasantly and long after it have pass .