Monsieur Durand-Bidon's mother-in-law is decidedly cantankerous. She never ceases - she who is a duchess - to reproach the latter for his low origins. One morning, at dawn, while he comes home "well watered", he is surprised with a comrade at the bottom of a bathtub. Taken for a homosexual, overwhelmed by Step-Mom, he will never stop trying to escape her and will end up, after many adventures, by learning a somewhat embarrassing secret about the pseudo-nobility of his step-family.

Camille Morestan serves as a jury member at a court in Paris. The attractive Natalie Roguin is accused of murder. Morestan doesn't want to believe she really killed her lover. He succeeds in convincing the other jury members she was innocent. After her acquittal he takes her into his house. While he tries to keep her identity a secret for his family her presence leads to a number of unfortunate incidents.

Private Mamert is the heir to five million dollars. All his comrades borrow his identity to seduce girls.

Flanders, Hispanic Monarchy, 1616. The inhabitants of the small town of Boom are busy organizing the annual local festivities when the arrival of the Duke of Olivares, who rules the country on behalf of the King Philip III of Spain, is announced. While the male citizens cowardly surrender to panic like rats on a sinking ship, the brave female citizens, led by the bold wife of the burgomaster, decide to become the best hosts the Spaniards can ever meet.

Well-to-do Simone replaces her music-hall friend Yahne when her wealthy uncle visits from America.

The happiness of a newly-married couple, Henry and Jeannie Saint Clair, is shattered when the husband is made a paralytic in an automobile accident. The wife still loves him, although he is incapable of any physical love. She is slowly drawn into a short-lived affair with a handsome athlete, Robert Vanier. When the husband learns of the affair, he commits suicide. But the wife cannot forget him and she sends her lover away.

The tribulations of a banknote, from its exit from a counter to its destruction, passing through dozens of hands.

The reservist Lafleur, having a wife, a mistress and still running after the first petticoat that comes along, his namesake, an active soldier, finds himself embroiled in the vengeance or intrigues that all these women are plotting. Eventually, the entanglements will unravel in a final party.

Two mistresses snubbed by their respective lovers crash a military ball and their lovers then resort to an unusual strategy to win them back.

After retiring as a butler in a nightclub where he made his fortune, Prosper decides to return to his job after the death of his wife. Now ruined, he only finds a job as a dishwasher.

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.

Pierre , a young lawyer, has enormous debts due to his mistress Florence and her whims of luxury life. Pierre has gone too far and put the family firm in jeopardy. They ask him to expatriate. To avoid scandal, Pierre joins the Foreign Legion. In Morocco, near the desert, Pierre goes with his comrades of the Legion to a bar-restaurant-brothel, owned by a shady character, Mr. Clement . Clement lives more or less with Ms.Blanche who is a fortune teller with cards, as a hobby. But Clement is also after his girls now and then. Pierre is still obsessed with Florence but he meets Irma , one of Clement's girls, who is the double of Florence except for hair color. Irma has had an accident and has lost part of her memory at a certain point of her recent past, and Pierre slowly persuades himself she is Florence, but cannot remember it. Advised by Ms.Blanche, Irma finally accepts to act as if she was Florence because she is falling in love with Pierre.

Clairette learns that Bérénice, a former mistress, is pursuing her husband in the army where he is recalled. She puts on the sergeant's uniform and after a few entanglements reconciles with her husband while Bérénice consoles herself with the captain.

In love with his cousin, the gentle Émeline, a country gentleman, unaware of matters of love, decides to go to Paris, in order to lose his candor. She will prefer to avoid this hazardous and problematic move.

Pierre and Georges both love Gretel who, in turn, is in love with Georges. Georges falls in love with another, Dolly, but the lover of the latter threatens to stop supporting him. Georges ends up finding Gretel, who forgives him, while Pierre steps aside to ensure their happiness.