After winning the lottery, a convict must chase down the warden who has his winning ticket.

Jean-Jacques Daloiseau has worked as civil servant in the Ministry of Health and his now retired.Jean-Jacques and his old friend Robert have always dreamed of a sailboat and a trip around the world by sailboat.They have found a nice sailboat: Robert has paid his part but Jean-Jacques needs to sell a ground in the Soth of France.And also Jean-Jacques needs to speak with his wife Carole about this trip around the world with Robert.Then begin all the difficulties and impediments.Carole doesn't agree with this and runs away to London.Then one daughter ,Pauline, has problems with her husband and has come back home with her children.So Jean-Jacques becomes a nanny and has to solve all the problems of his daughters, find the money for boat and recover the love of Carole.

Three friends, Robert, Michel and Jean, would be three happy men if Robert's aunt, who has inherited a magnificent nightclub, the King Club, in which they work, didn't torment them. Friendly and small-minded, they think they're tough and don't hesitate to traffic. Their latest find is not without imagination: to bring from Amsterdam diamonds hidden in the diaper of a baby of whom Michel is the father.