In the sunny landscapes of Provence, Henri Arnaud is a conscientious law student who's got a lovely girlfriend, Tina. The person who used to pay for his studies dies and the poor young man's disposable funds are low. He asks an antique dealer if he can lend him some money. This shady guy agrees, but in return for homosexual relations. Henri kills him and runs away. Fortunately, a good judge, who bears the same name as him, comes to his rescue.

On the advice of a friend, Claude, married to the charming Isabelle and father of two, decided to transform his library, hardly flourishing, into a sex shop. This change of activity proves to be very lucrative and sharpens his desire to spice up his married life through various erotic experiences. Claude asks his wife to share with him the audacity he dreams of. Soon, the household meets a dentist and his wife and is engaged, without much success, to new discoveries. Isabelle, full of good will, tries to follow her husband ...

In Paris, the young photographer Ferdinand falls in love with Claire, a pickpocket. Shortly after, he is assaulted because he took pictures of the young woman with another man, Brady, his sponsor. The policeman Lorenzi is put on the case, but in love, Ferdinand does not want to denounce her. However, a stolen object that she offered him will allow his indictment: Claire will spend a year in prison. When she is released, Ferdinand marries her. Kerman, Ferdinand's new boss, employs Claire in his cabaret. She puts on a famous act during which she picks the pockets of the spectators, then gives the objects back at the end of the show. But Brady reappears, demanding 80% of the young woman's earnings, otherwise he will denounce Claire's bigamy, to whom he is still married! Ferdinand prepares to flee with his wife. When he finds her, he comes across the corpse of Brady, whom Claire has just killed.