Sur le plancher des vaches

A modest soap factory employee has two passions: sport and his boss's daughter.

Freshly married, Yvonne and Jacques discover on their return from their honeymoon that they are poor and that their respective parents have lied to them. They are going to have to work hard; but everything will work out eventually.

To prevent her husband from starting a divorce procedure, a wife simulates madness.

Marc Lanterne and Monsieur Smith investigate the home of a castellan who is the victim of jealousy, justified by the way, of his wife. Monsieur Dunoyau wants to know the author of the anonymous letters he receives. After a whole series of extraordinary adventures, the truth comes out and Dunoyau is reconciled with his wife.

Alexandre Mérital, the leader of a political party, finds himself under attack from Frépeau, one of his opponents. The latter has indeed discovered that Mérital committed a theft in his youth. But Mérital will not be intimidated by his adversary's move. In his turn, he discovers that Frépeau was once involved in a financial scandal, which forces the plaintiff to discontinue the prosecution.

Because of the escapades of Alexis, the Crown Prince of Vodenia, the kingdom is likely to lose the loan lent to them by a rich foreign banker. Baron Patcheff, a minister, decides then to replace the Prince by a double. The man chosen is Castin, a Parisian haberdasher, who looks like Alexis feature for feature.

René Sabin, engineer, disappointed by failures, leaves his village in the South to go to Paris with friends. In the capital, he befriends dubious people, in particular Alex Krakow who does not disdain shady business. Then comes the war. René is mobilized then returns to the country, and finds with joy his fiancée.

René, a simple employee of the Univers agency run by Mr. Lebourdier, loves Yvonne. But Mr. Martin dreams of a brighter party for his daughter. In order to win the post of deputy director, René asks Nenette, a pretty blonde, to seduce Mr. Lebourdier. But Nenette is Mr. Martin's girlfriend and she manages to fix everything.

A woman visiting Corsica falls for a singer with a velvet-smooth voice.

The reservist Lafleur, having a wife, a mistress and still running after the first petticoat that comes along, his namesake, an active soldier, finds himself embroiled in the vengeance or intrigues that all these women are plotting. Eventually, the entanglements will unravel in a final party.