In a cold French city where suicide is a common urge, there is a colorful shop, managed for many years by the Tuvache family, where it is very easy to obtain the necessary tools to satisfy the sinister desires of so many depressed citizens.
Two brothers live in Montbard, Burgundy. For their summer vacation, they decide to visit their mother in Saint-Jean-de-Luz, because it’s been a long time, because it would make her happy… There’s no shortage of reasons. They buy a second-hand motor home and plan to stay open to whatever the road brings them, embarking on a brothers’ journey across France. Just the two of them. But then an endearing young woman crosses their path...
When his credit card has just been swallowed by distributor Bruno Lussac, State Inspector Débé crosses the limits of home ethics when he learns that he has just been banned from banking. Disguised as a Southerner for a costume party where he was supposed to arrest drug dealers, he lures his colleagues into robbing a bank; he causes a bloodbath but comes out victorious of this heist. For his accomplices, the informant, and pretty peacekeeper Cécile Barko, known as Cyborg, this is the start of a crazy run.
In this surreal comedy, Tonio works very hard for every bit of ill-gotten cash he can get his hands on, but he remains a poor criminal in both senses of the word. He and his buddies Bruno and Hercule think they have the solution to their pocketbook woes. The body of St. Bernadette has been miraculously preserved from decay and is a central object of pilgrimage in the shrine where it is kept. Why not steal that and hold it for ransom? The criminal gang is well able to pull this coup off and are soon in possession of one perfectly preserved corpse and a very fancy coffin. It's too bad for them that the church seems to have a limitless supply of these and doesn't want the one they stole back. Bemused, the lads set the coffin adrift on the river, only to be followed by it as they drive back upriver. In the course of carrying out their criminal designs, these lovable lugs encounter a variety of eccentric characters.
