Francis Veber

Each week, Pierre and his friends organize what is called as \un diner de cons\. Everyone brings the dumbest guy he could find as a guest. Pierre thinks his champ -François Pignon- will steal the show.

Coming out from jail, Lucas has decided to change his life and behave like a good citizen. But when he is taken hostage in a bank by a hare-brained robber, no cops can believe he is not part of the action.

After Scott has a fight with his father and runs away and when his father refuses to go after him. His mother, Collette, then goes to one of her former boyfriends, Jack, a lawyer, and tells him that he's her son's real father. Jack initially refuses. So she goes to another boyfriend, Dale, who goes off looking for Scott. Eventually the two men meet and realize that they are looking for the same boy and that Collette told them they are the boy's father. What follows is a mad chase, cause the boy doesn't want to go back.