Guy Carbonnel, a rich industrialist, has more eyes for rugby than for his wife Hélène. René Rivals, his long-time pal, takes advantage of it to court her but Guy is becoming suspicious so René has to find a way to deflect his friend's suspicion. He finally has an idea: he asks Lilian, a circus acrobat, to pose as his mistress. Lilian accepts and they embark on a series of eventful moments.

Paris, France. Commissaire Wens follows the lead of a ruthless murderer to an unexpected place.

Picpus is a street and a subway stop where a number of murders have been committed. Maigret tries to find the killer.

Comedy about an older man wanting to marry a younger woman who must make sure first that the woman is not by chance his own daughter.

Adrien Moulinet, a modest encashing agent in the Nortier bank, is also an inventor in his spare time. His latest revolutionary creation is the motorized roller skate. His problem is to be able to market them. Jules Petitpas, a jobless adman, is the right man for that.

Alice, an unhappy young woman in the household, is the mother of a little boy, Pierre. She falls in love with a young doctor and plans to run away with him and his son. Finally, not considering the right to deprive Pierre of his father, she gives up. Twenty years pass, Pierre has grown up, he suspects his little brother, Jean, of just being his half-brother. His suspicions gnaw at him, his mother confesses to him her past fault. Faced with this confession, Pierre will abandon the one who sacrificed her life for him.

The struggles of a small business owner come to light in this film by director André Cayatte. The proprietor of a fabric shop, M. Baudu faces stiff competition when a department store moves in across the street, the first of its kind in 1860s Paris. On top of the stresses associated with the rival retailer, Baudu’s niece and two nephews take up residence with him after recently being orphaned. The niece, Denise Baudu, sees the writing on the wall for her uncle’s business so she takes a job as a shop girl with his competitor and despite her success the decision does not register well with the family.