Guy Carbonnel, a rich industrialist, has more eyes for rugby than for his wife Hélène. René Rivals, his long-time pal, takes advantage of it to court her but Guy is becoming suspicious so René has to find a way to deflect his friend's suspicion. He finally has an idea: he asks Lilian, a circus acrobat, to pose as his mistress. Lilian accepts and they embark on a series of eventful moments.
The young Suzy is a nightclub hostess in a cabaret in which Frehel is the star. Because one night she gets propositions from a rich widower who would like to have her as his girlfriend, Suzy wishes to leave this place, where she has no future, for a better one. Abandoned by her protector, a young hoodlum named Robert, she gets the occasion to get away from it. She decides to go on vacation on the Riviera and stay at the Chateau des Cedres, the former residence of a noble family that has been transformed into a bourgeois guest house by the baroness Saint-Leu. Shy and elegant, in her modest suit, Suzy stays there under the name of Suzanne Michelet and soon makes new friends among the young people of very wealthy families.
Gilbert Quercy, 18, tried to commit suicide after a heartache. At the hospital, three women try to cheer him up : the three former wives of his father, an archaeologist and an egyptologist, whom Gilbert called his "mothers". These women show a lot of willingness, but soon will become intrusive.
Banker Jules Taffard, a true financier, is a shrewd money-handler. Imprisoned for an alleged swindle, his trial seems to be upsetting those in the government, who may not be so far removed from Taffard's affairs (Affaire Alexandre Stavisky). He escapes from La Santé prison without any difficulty, and the authorities don't seem to be doing anything to find him... Under the false name of Gédéon, he becomes a modest handyman in a corset shop run by Madame Génissier, whose morality is as pious as it is legendary. Her son, Hector Génissier, is a foolish young man with no ambition, much to the regret of his young wife, Fernande Génissier. But it won't be long before Gédéon shows his skills in expanding the modest family business. How far can Gédéon's ascent go before Taffard's voice resounds through Gédon?
A disillusioned rich American bets with a railroad worker that the latter will not be able to spend the 600,000 francs a month that he will pay him for a year. All the railwayman's attempts to win his bet fail but his daughter luckily conquers the American.