During an orgy, Some old and wealthy notables are being murdered by a small group of leftist young revolutionaries. Very soon the police are tracking down Virgile Cabral, the leader of the group. Meanwhile, Virgile's brother and only relative, Vincent, a violinist (and a thief), comes back to Paris. They have not seen each other for three years. Vincent does not believe in the revolution. He only tries to live as he wishes to live. But by looking for his hunted down brother, he has no other choice than to be involved in a fight that is not his.

An aimless young man is committed to a psychiatric hospital by his father in an attempt to cure him of his delinquent tendencies.

Four vice-presidents fight among themselves to reach the top post after the president dies. Their wives take part in the various schemes to downgrade the opposition by unorthodox means.

A college boy with a speech impediment learns the hard way about love and heartbreak.

A small saver discovers the scam that threatens all subscribers to the "Caution foncière". He embarks on an incredible adventure to recover the funds paid in by his friends, and succeeds in exposing the scandal.

Matou is an innocuous, gentle-looking man. He is married to a formidable, even a frightening woman, who is as dissatisfied with him as he is with her. He knows everything there is to know about restoring and authenticating manuscripts, particularly ancient ones, through his job at the museum. One day, it occurs to him that his skills could be put to use in a more personal way, and he embarks on a private career of re-arranging the documents of people who have had the misfortune to be married to the wrong people.

Pétepan learns that his money has been lost by Robinhoude brothers.He asks his assistants to withdraw his amount from the bank.

After stealing a diamond from Mylène Demongeot, Richard hides it inside a guitar. But on returning to the music shop he discovers that the precious instrument has just been sold! The problem is complicated by the fact that five stars all bought the same model that morning...

Bad financial conditions compel an aristocratic family to do strange work.