Jeanne Kern is a pretty, somewhat repressed schoolteacher who suffers a smear campaign at work. Someone has been sending her director letters accusing her of lewd and immoral conduct. Matters take a turn for the worse when a photograph of an orgy is sent to all the faculty with one face cut out; presumably, the face is hers.

Rémi, a confirmed bachelor and model bureaucrat, invites his colleagues and superiors to a magnificent house to celebrate an inheritance. Under the influence of drink, they drop all pretence and reveal their true selves. But what will remain of this brief interlude the following day?

Three men with a penchant for gambling on the horses soon find themselves in trouble because of their addiction. Pierre (Michel Piccoli) is the math whiz who uses his talent for picking the winners. Charles (Michel Galabru) is the wealthy scrap-iron magnate who has embarrassing evidence on many prominent political figures. Loic (Jacques Dutronc) is the aspiring politico who seeks to further his career by any means possible. Charles approaches Loic and asks his political party for a loan in hopes of fixing an upcoming race....

Paris, France, 1942, during the Nazi occupation. Robert Klein, a successful art dealer who benefits from the misfortunes of those who are ruthlessly persecuted, discovers by chance that there is another Robert Klein, apparently a Jewish man; someone with whom he could be mistakenly identified, something dangerous in such harsh times.

Two distant cousins meet at a wedding banquet for an elderly couple. Over time, a close friendship develops between them, but their spouses begin to think that they are more than just friends.