Casti and Trébois, two friends who are workers at the same factory, have developed a common passion for flying. They dream of starting an aviation club. In the meantime they spend all their Sundays restoring an old plane under the supervision of Raf, a former RAF pilot...
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 ?
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.
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.
Jules Duraton is the headmaster of Chatelbourg's high school. He is happily married, has a teenage daughter named Solange, and everything would be for the best of all possible worlds if he and his family were not the namesakes of the protagonists of a famous comic series broadcast every day on Radio Monde "La Famille Duraton". Day after day, the real-life Duratons are made fun of because of their surname and Jules just can't take it any more. That is why he decides to sue the radio station responsible for his misfortune.
1914, a small village of the Marne. Charming and woken up, Madeleine, said the Madelon, who works in the coffee(café) of his father, Tourlourou, account of numerous pretenders. To the rich Antoine Pichot, she prefers corporal Beauguitte. When the war bursts, she(it) searches for the latter.
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.
A railway worker, Leguignon, and his wife are forced to move into a house located in a shaggy part of town. What Leguignon doesn't know is that a group of children have discovered a treasure and keeps it stored in the house. Trouble ensues when he discovers the cache and tries to claim it as his own.
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.
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.
Thérèse, a young flower girl, tries hard to remain virtuous but the whole world seems to conspire against her, whether her petty Paris family, or her relatives in the province bristling with false respectability, or her lustful employer, or the boy she loves who seduces her and abandons her. But at the end of the day there is Yvon, her childhood friend. Will he be the one that will love her truly?
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...