Femme fatale Madeleine Robinson is married to Raymond Aimos, a coal miner with a face like a pickled walnut and a libido to match. She wants some action, and what she can’t get from her impotent husband, she looks for elsewhere, first with his best friend Pierre Brasseur, then with his boss Lucien Gallas, who is also dating Brasseur’s kid sister Odette Joyeux.
In the early 1950s, the popular radio show "La Kermesse aux Étoiles", hosted by the famous Jean Nohain, mixing lottery games and performances of various artists, will be disrupted by the adventures of a man and his fiancée seeking to recover a dangerous bottle of perfume (explosive) which was unfortunately mixed with the prizes to be won ...
Because he loved a trainer named Suzy too much, honest Pierre Menard wasted his life and died. Innocent, but implicated in the ransacking of a jewelry store, he receives a five-year residence ban, which he ignores, only to find himself reduced to joining Paulo's sinister gang. The police finally arrest him and force him to become an informer if he doesn't want to leave Paris. He accepts and signs his death warrant.
