A murderous villain takes over a family's ranch, killing everyone but the youngest son, still a toddler, who is rescued by a faithful servant. The son grows up and becomes The Jaguar, a bandit who along with his gang robs the corrupt rulers of the town and gives to the church. Trouble brews when he falls in love with the daughter of the villainous magistrate.

The Baroness de Courtebise presides over an association of mothers-in-law with grievances against their sons-in-law. Armed with her prerogatives, she forbids the marriage of her daughter-in-law to the mayor's nephew, especially as an inheritance is in doubt. The ladies kidnap, the men kidnap, the election campaign turns sour and the Baroness must capitulate. She takes revenge by falling into the mayor's arms.

Bitru is a carefree fellow who, one day, decides to buy a houseboat on the River Seine. He moves there and starts living surrounded by a circle of colorful friends. Among them, the daughter of an auto maker but also a group of scientists who have developed "Aqua Simplex", a device that could enable motorists to fill their tanks with... water ! Panic sets in in the automobile industry and Bitru is appointed his friends' middle man to represent them on the various car makers directors' boards.

A famous violinist enlists in a music school in order to woo one of the students.

Based on the short story by Georges Simenon. Annoying Annette is bent on seducing Maurice, a handsome lawyer who has his eye on a haughty American Myriam who is running after bashful Bernard. The story takes place in hotels, prisons, and music-making apartments in Cannes.