Ronny is a young designer on her way to the capital of the Ruritanian Kingdom of Perusa with the costumes she has created for the operetta written by the Prince. On her journey, she meets the prince and is persuaded to take the place of the star who had just walked out. The prince falls for Ronny but how can he marry a commoner?

Jean is a good man who has a steady job (he is a mechanic in the village garage) and a companion named Aline. But Jean is also a guzzler and a philanderer. As a result, when a local prostitute is killed in the surroundings, he becomes at once the victim of rumor...

Arlette Morand, a rich and pretty young widow, would like to remarry. She hesitates between Henri, the athlete, and Serge, the artist. She grants her favors to Henri, for whom it is only an adventure. She realizes that she doesn't love him and goes to join Serge on the boat that takes him to England...

Betty marries rich Allan out of interest and drives a wedge between him and his family.

A very rich businessman, knight of the Legion of Honor, bets that he can start his career from scratch. After all kinds of adventures, he climbs the ladder of society and, having become rich again, finds love and a new fortune.

A young sportsman, heir to a tyre manufacturers wants to end the rivalry between his father's company and their main rival, by marrying the daughter of the rival family.

When he is not conducting his orchestra, a talented young man invents a device to thwart car thieves. Associating himself with a rich Dutch baron, he falls in love with the baron's daughter.