A banker threatened by gangsters is replaced by a tramp who is his perfect double. The gangsters arrest the fake banker and take him for a madman.

Aline's father encourages his daughter's extra-marital love affair with a rich Argentinian. Aline's husband meets a little dancer, Marie, who looks like his wife. Marie is the daughter of a former friend of Aline's father. The two young women perform a dance number, the Argentinian is ruined and the spouses are reconciled.

Narcisse is a doorman for a jeweler but dreams of becoming a private detective. The Criminas agency hires him and he comes to the aid of his former boss's nephew, accused of stealing jewelry. He first passes for the accomplice of the young man but soon discovers the culprit.

In the village of Sableuse, the local manor has been bought out by a nouveau riche, Emile Cousinet. When his wife Lisette, a former music hall actress, flees to Paris with young Pierre de Sableuse, Cousinet asks Father Pellegrin, the village vicar, to bring the lost sheep back home.

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

The novelist Loïc Limousin knew the turbulent past of Marie-Martine and he extracted the material for a novel from which the young girl risks paying the price. After the drama that had thrown her in prison, she met a brave boy ready to make his life with her. Will the scandal separate them?

Bastien and Furet are a journalist and a photographer working together as a team on the newspaper 'L'Echo du Jour'. Just as they are about to go off on a weekend break with Micky, their boss's secretary, they are sent to a crime scene to report the murder of a Russian named 'le Moujik'.

Pierre risks being taken advantage of by an agency that sets up financial scams, he escapes thanks to Marcelle, the secretary of the director of the agency, who is a childhood friend. She does her best to keep the young man away from the scams of his boss. However, the director, in love with Marcelle and jealous of Pierre, succeeds in trapping and ruining him. Marcelle will then denounce him to the police, but before being arrested he will kill her.

Summoned by his mother to plead, a very young lawyer has a trio of pathetic criminals acquitted. The daughter of one of them reveals to the lawyer that the three accomplices hoped to find food and board in prison. For the beautiful eyes of the young girl, Master of La Bastide attaches the three rogues to his service. Disasters, confusion, clumsiness follow one another until the planned wedding.

The daughter of a poor clergyman wins £500 and goes to find happiness on the Riviera.