A comedy about a dimwitted man who must obtain a high-school diploma before he can inherit an inn.

Madame Husson and her circle of holier-than-thou ladies (including an old maid Madame Cadenas)are looking for a chaste and pure girl who will win a hefty sum.

Sénéchal, an actor touring the provinces with the "Tournées Carlini" does not meet the success he thinks he deserves. One night in Dreux, he finds himself without his luggage and dressed up as a Foreign Legion officer, he is invited to a party thrown by a colonel. He creates a sensation there and does not leave the colonel's wife ... indifferent! Back in Paris, Sénéchal goes through a similar experience. This time around, wearing tuxedo and top hat, he gets mistaken for a diplomat and charms the guests of a wedding party. Arrested by the police, he chooses to do without an attorney at his trial and his brilliant eloquence has him acquitted. A question remains unanswered though : will all those people who give an ovation in real life ever go to see him on stage ?

Mado loves Henry but is coveted by Bob Torquella, a dangerous gangster. The latter, mad with jealousy, is prepared to do everything to get rid of Henri. He and his accomplice involve him in a dangerous robbery. Henri is hurt and arrested by the police. But the young man, a weak character, denounces his accomplices. Two years later, the two gangsters run away from prison. Bob finds that Henri and Mado are husband and wife and have a daughter. In a panic, Henri runs for cover.

Henri and Jeannette Milliard, a newly married couple from Normandy arrive in Paris where they intend to spend their honeymoon. Unforfunately a wicket gate in the metro separates the couple. In panic, Henri looks for his wife across the capital. He ends up finding her at the hotel they were to put up. But it looks as if Jeannette has gone through some distressing adventure.

Recently released from reform school, Élisa works at Madame Irma's before moving to Paris, where her success is growing. On a trip to the provinces, she meets Bernard, a blind man. They soon fall in love, but Élisa hides her activities from him. When he finds out, he hits her. The situation quickly degenerates.

Father Benoît would like one of his twins to take over his inn, at 3 plates. But his ancillary ambitions are not commensurate with his last 3. Bernard is also in love with Hélène, daughter of Colonel Flouc de La Donzelle. He dreams of becoming an actor and goes to Paris to find a job. Difficult beginnings since from the theater, he goes to the cabaret, then to the radio, without success. In the final scene, the 3 brothers meet, which gives rise to a series of gags during the wedding.

It's the day of Figaro's marriage to Susanna, but first he must help the Countess divert the Count's attention away from Susanna and back to her, while arranging the betrothal of Cherubino and Barbarina.

In a small provincial town, the boarding-house is run by Mathilde Belin, the overindulging and over-demanding mother of Paul. When she is told by her envious sister Charlotte that her son is having a secret affair with Catherine, a salesgirl, she becomes furious and starts doing everything in her power to separate the lovebirds.

In Central Europe, resistance to the Germans in growing. But the partisan leader is denounced and killed. His daughter and the son of the traitor love each other. Condemned by his comrades, the informer commits suicide in front of the young couple.

Benoit, the head guard of Clouville Prison, prefers to be liked than feared. This basic principle transforms the jail-house into a joyful prison, where all the inmates live amicably together. Among them, various colorful characters : a farmer, a poacher, a distiller, a forger, two pickpockets, a safe-cracker, a gangster and... a good-looking guy who pleases Rosette, Benoit's daughter, well. But too much leniency takes its toll : after Vauclin, the gangster, manages to escape and a complaint is filed against "the deplorable disorder reigning in the joyful prison", Benoit is given early retirement. He will know how to take advantage of his new status live a joyful life with his wife, his daughter and André, his son in law, in fact the nice-looking young prisoner who, in the meantime, has been cleared of all charges.

La Carcasse, an obtuse peasant, lives with his wife Lucie and his father-in-law Tord-cou. At odds with his son-in-law, the Tord-cou takes it into his head to marry Thérésa, the daughter of their neighbor Casimir. But the Carcass, too, feels attracted to the young woman...