A student from an elementary school accidentally breaks the glass roof of his school. His comrades decide to support it by working during the summer holidays in order to pay for reconstruction.

An officer, two of his comrades and a social worker want to create the "Carrefour", a place for lost children and teens to give them a chance not to fall by the wayside and spend most of their life in jail.

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.

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.

Five college comrades are gathered in the property of one of them, Claude, whose parents have gone on a cruise. Despite minor domestic difficulties, the five boys get along well. Until the day when Anita, Claude's childhood friend, appears, whom he has not seen for ten years. He is still in love with her.

Mr Lucas, a grocer, wants to attract the clientele; he imagines a lottery; every week, you can win a bike. It's a big success.

A young, talented and ambitious journalist, Louis heads off to try his luck in Paris. He's spotted by Walter, editor-in-chief for a major daily newspaper, who takes to him and furthers his career. What he doesn't realise is that Louis is ready to betray anyone to achieve his ends...

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 ...

Shopkeeper Victor Garnier has naively invested his family's life savings in an African mine, on his banker's recommendation. When the mine is nationalized, rendering the stock worthless, he considers himself shamelessly robbed by the bank; it seems only fair to him to return the 'favor' and rob the bank, teaming up with the whole family as they were all duped. Even for professionals such an enterprise -he decides to dig a tunnel- is quite demanding, but for simple commoners it's daunting, as they also have their personal downsides; thus Victor's wife has a most unwelcome tendency to blurt out the truth, even to the grumpy local copper: a crazy risk when you need to keep a criminal plan secret.