Depressed Alain Leroy leaves the clinic where he was detoxified. He meets friends, acquaintances and women, trying to find a reason to continue living.

A great disappointed love once encouraged the vocation of Sister Claire, who, however, forgot nothing. She follows in their daily life three young girls beloved and badly brought up by a widower, an artist with measured comicality. Sister Claire will save one of the sisters abandoned by her seducer.

In the oyster and fishing town of Arcachon, one man doesn't want his adopted son to get married to the daughter of his rival, and he suspects a dark underlying secret.

In this sketch comedy compared to the American film Hellzapoppin, a spectacle is put on to celebrate the wedding of a nobleman, but the results are disastrous.

Paul Dorgères, a wealthy industrialist, has been mysteriously murdered. The investigation is entrusted to the experienced Chief Inspector Bonnardel and his young rookie assistant, Inspector Richard. Suspicion turns to his mistress Catherine Villard, with whom he had just broken up on the night of the crime. She is soon arrested and charged. However, Inspector Richard discovers a button at the scene of the crime which could help him to trace the trail and confound the culprit(s).

The carefree Bertrand, gamekeeper for a castellan, puts himself in danger when he discovers that his boss is the leader of a gang of counterfeiters.

Historical film directed and written by Sacha Guitry follows the the history of Paris from its founding through the significant events in the city's history.