A supposedly idyllic weekend trip to the countryside turns into a never-ending nightmare of traffic jams, revolution, cannibalism and murder as French bourgeois society starts to collapse under the weight of its own consumer preoccupations.

Désespéré par la mort de sa femme, le banquier René Duchesne se promène le long de la Seine. Seule la rencontre de Suzanne, son ancienne femme de chambre lui révélant les infidélités de Madame, le sauve du suicide. Monsieur décide alors d’aider sa protégée à sortir de la prostitution, et d’empêcher ses beaux-parents de faire main basse sur l’héritage.

The film consists of three novels. The film begins with the fact that the Bernard Blier hero removes a lantern from the entrance to a brothel. The second part is about how the lantern and jewelery were stolen from a young baroness. And in the third part the hero of Louis de Funes hangs a lantern at the entrance to his house.

Léonard Monestier owns a large fortune, alas his wife Cynthia made a bad investment in a worthless oil concession. Far from letting this get him down, Léonard decides to find a sucker to buy this concession from him. Right on cue appears Antoine Brévin, a befuddled billionaire who is very interested in Léonard’s beautiful daughter Patricia and would do anything to win her hand…

After a harrowing breakup, Marcel returns to his favorite hotel to find his room occupied by a journalist, whom he attempts to impress.