André Duroc pretends to be a duke in order to extort money from Aunt Solange. But his trickery is discovered, he must flee and, thanks to a uniform, takes part in the great maneuvers.

François Chotard, wholesale grocer, gives his daughter in marriage to Julien Collinet, a writer who prefers dreaming to working, a situation conducive to quarrels between the son and the father- in-law. Until the day when Julien receives the Prix Goncourt, prestigious literary award. Chotard has a sudden change of heart.

Michel Levasseur is a joyous reveler who does not care about the next day. So much so that one day a bailiff bursts into his Paris apartment and seizes his furniture on behalf of Raymond Sauvaget, his landlord, a rich food industrialist. But far from resenting Sauvaget's act of hostility, Michel ... becomes his friend. Now Raymond, although prosperous, does not know how to handle women. That is why he asks Michel, a regular Casanova, to give him lessons in seduction.

Count Hubert de Latour Latour is the lover of the Duchess de Maulévrier. The day he is surprised by the Duke in the company of his wife and... in a rather compromising situation, Hubert resorts to a subterfuge, claiming that he has come to see the Duchess to seek support to be elected at the Institut de France, whose chairman is precisely her husband. The latter takes him at his word and Hubert becomes... a member of the French Academy! Which just shows that everything leads to everything.

After being left for another man by his wife, Charles Bellanger raises his only son to fear and suspect women. Years later, such an education is bearing fruit.

Chérie is a beautiful young woman who works as an escort girl. She meets a young and wealthy man who propose her to be his fictional wife so that his mother won't bother him anymore with this other girl, a rich one, she wants to see her son married to.