A poacher nicknamed "Le Bouif" is accused of having murdered his son-in-law, trainer of a horse stable in Maisons-Laffitte.

Father Benoît would like one of his twins to take over his inn, at 3 plates. But his ancillary ambitions are not commensurate with his last 3. Bernard is also in love with Hélène, daughter of Colonel Flouc de La Donzelle. He dreams of becoming an actor and goes to Paris to find a job. Difficult beginnings since from the theater, he goes to the cabaret, then to the radio, without success. In the final scene, the 3 brothers meet, which gives rise to a series of gags during the wedding.

Robert Montfort, happily married to Solange, is his parents-in-law's pet aversion though. To them he is a punk, a good for nothing, a small-time, untalented poet! Robert, who is more gifted than what they think, manages, following a workmate's recommendation, to debut as an entertainer in a nightclub and -even better- to please the audience. Not daring tell the truth to Solange he starts leading a double life, being Robert Montfort in the daytime and Jean Rigobert at night. Of course his wife wonders what is going on and worries about his regular night outings. Only too happy, her parents incite her to have a divorce. Fortunately, all comes right in the end.

How Robert, who does not manage to impose himself in the representation, sees his life turned upside down when he begins a career as a street vendor, which, thanks to his resourcefulness, turns out to be more and more brilliant.

An all-knowing interlocutor guides us through a series of affairs in Vienna, 1900. A soldier meets an eager young lady of the evening. Later he has an affair with a young lady, who becomes a maid and does similarly with the young man of the house. The young man seduces a married woman. On and on, spinning on the gay carousel of life.

The film tells the story of three presenters on Radio X, an amateur clandestine radio station.

The accountant of an insurance company, rather eccentric and quick to push the song, is responsible for monitoring the actions of an alluring South American whose suicide would mean the collapse of the company. Finally, the accountant discovers an attempted insurance scam and marries the surly and charming interpreter who was the liaison between the South American and himself.

During Christmas night, two police officers make their nocturnal rounds, in their round they meet tramps, brawlers in a café, a naked man, a concierge, a sexton, revelers in a nightclub, and end by signing in their report to the police station.

Léon Ménard, the village verger, is a decent young man whose hobby is to play the accordion. One day he is fired for having accompanied Mary Pinson, a singer deemed scandalous by the right-minded parishioners. Blinded by his love for Mary, Léon follows her to Paris where he becomes her plaything. With Mary's complicity, a gang of swindlers make him the puppet proprietor of a night club. But Léon can't live in a fool's paradise forever and soon finds himself on the street, forsaken and desperate. Luckily, the manager of a circus notices him while he is busking and he hires Léon at once. Not only will success come to him but he will win the love of sweet Solange.

During the Second World War, Georges Masse undergoes a dangerous mission by taking secret documents from Tangiers to London.

A beautiful young pianist falls for her mentor.

Betrayed by his wife, a teacher proceeds to have an affair with a young and pretty student. The two women both find themselves expecting a child. The girl dies during childbirth. In a spirit of revenge and to keep his real son, the scorned husband exchanges the babies.

Bob, a student, is very emotionally close to his mother Suzanne. He is alarmed when she seems about to begin a relationship with a novelist, regarding it as a betrayal.