Jeanne lives in Paris and believes she is the reincarnation of Don Juan. She visits a priest and tells him she has killed a man. He comes to her elegant flat - her father has died leaving her rich - and she tells the priest stories about men she has seduced. The seduction is easy, she tells him, it's destruction that takes planning. We watch her with an upright elected official, a wealthy boor, and a folk singer. She describes herself as a spider. Her friend Léporella tries to be Jeanne's conscience. What does Jeanne want?

A young woman falls down a staircase, and suddenly becomes... a nymphomaniac.

In the studio where the famous director Eric Von Berg reigns, Pierre Vanier, the male star of the film and the lover of Berg's muse, dies while rehearsing a scene. Over the course of a tangled investigation, the culprit is unmasked. This honest dresser is the adoptive mother of Vanier's wife, too unhappy with such a husband. The inspector, moved, concludes a suicide.

In post-Liberation Paris, a man reunites with a friend and meets the woman of his dreams, only to discover her brother's dark past.

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.

To receive the inheritance of his uncle, who died in Brazil, Claude, who has no money, must absolutely marry one of his three cousins.

Kohlman, the attorney for the Fournil bank, diverts money from the institution. To hide his malpractices, he imagines to remove the director, the young and overconfident Clement Fournil, during a cruise at sea on the yacht Emile Frechisse.

Gaston, nicknamed Pilou, has left his native village and Yvette, the girl of his heart, to go to Paris where he has found work as a painter. He is a naive good-natured man who, like most of his fellow-workers, favors a little song or two while he works. For the time being he is busy repainting the exterior of a block of flats and, when he does not sing to pass the time, he looks through the windows, observing the tenants in their daily lives. As time goes by, he goes as far as intervening and changing the course of their lives. In the end, despite having found a lookalike of his fiancée, he returns to her.

Stanislas Oscar Seminario, aka SOS, is a young explorer, just back from Africa, visiting old friends: the Pescara's. But the father keeps receiving anonymous letters. And soon a mysterious murder is committed. SOS begins to investigate...