Stéphane Petitbourgeois is having trouble with his son-in-law Hubert, who has an extra child every year and is expecting his ninth, making thirteen people in the same apartment. However, a competition promises twenty million to the youngest grandfather of twelve grandchildren. Stéphane begins to encourage Hubert. But Pat became sterile from that day on. Finally, after two years, a child is announced. In fact, triplets were born, and after a few twists and turns, Stéphane became the youngest grandfather of twelve grandchildren.

Tartarin is the local hero in the small provincial town of Tarascon. He shows off about imaginary adventures in Africa, where he has never been, as a Lion Hunter, which he is only in his imagination. Even though the locals know he has never been to Africa, they keep hoping he will leave one day. After a misunderstanding, and much gossip, everyone thinks that Tartarin plans to actually take the trip.

Madeleine Lebeau, a woman who charges for her easy virtue, has a plan that has some of her customers paying more than others; she tells them she is pregnant and, to avoid complications, the men pay her money and don't hang around for the birth. Yves Furet, a shiftless gambler, who not only encourages her in her business ventures but is also her fiancée, shares the fruit of her non-labor. She latches onto a wealthy widower, Henri Vilbert, who throws her a curve-ball when, after she tells him she is pregnant, he is overjoyed as he has fallen in love with her and is looking forward to becoming a father. She plays along for a while, but becomes ashamed when she sees how Vilbert is devoting his whole life to a child that she isn't carrying. She fakes a miscarriage and his kindness makes her feel guilty and she confesses, but he doesn't believe her. So she tries another plan.

This is the story of two brothers: the good one, the virtuous gent, an acclaimed singer, and the bad one who leads a wild life.

Hubert has married a little provincial girl and, to disgust her with Parisian life, he takes her out every evening.

Misfortunes and disarray of the little clown Leroy who is upstaged by a comrade, Bertini, and sees himself abandoned by his girlfriend Ginette, preferring his collaborator to him.

A couple of dancers performs in a night club. The man is jealous of Gina, his partner,and keeps making scenes to her, going as far as bullying her on the stage during their act. A man gets killed. The dancer is suspected for being jealous of all the other men. Another potential culprit could the father of Gina since he overprotected his daughter. The real culprit will be unmasked after the police detective finds the murder has something to with the Occupation period.

The son of a rich soap manufacturer gets himself in predicaments trying to prove to his father that he's responsible enough for marriage.

Bob bets 250,000 francs that he can tell the truth and nothing but the truth for twenty-four hours.