Paris by night. Alex, 22, wants to become a filmmaker. He is fascinated by first times and his girlfriend, Florence, has just left him for his best friend, Thomas. First break-up, first attempted murder: Alex tries to strangle Thomas, but gives up and wanders the streets. That evening, Mireille, a girl from provincial France who has come up to Paris to make commercials, is left by her boyfriend. Alex witnesses this separation. These two tormented souls run into each other at a party.

A writer tries unsuccessfully to sell his screenplays and plays. He marries a television editor, but she only wants to fuck him and thinks nothing of his work. He then remembers his old Parisian lover Rita, calls himself Rita from then on and becomes her wife. When a French director stages a play of his, he meets Rita again in Paris and the two women become a happy couple.

A look at the sexual and professional lives of three people — a television director, his ex-girlfriend, and a sex worker.

The head of a failing French family thinks that fate has smiled down on him when the daughter of a wealthy man agrees to be married to his son. The daughter and her aunt then travel out to the French countryside to meet with the family, unaware that a mysterious 'beast' is stalking the vicinity.