A young girl witnesses her mother having sex with the family dog. When her father finds out, he burns the dog alive. She is so traumatized by these incidents that she later turns into a nymphomaniac. She moves to an island and lives there with her own dog, having sex with various guests who visit her.

A manufacturer from Milan goes on vacation with his wife Clara and his teenage daughter. In the same hotel stays Fabio Lorenzi, a writer without inspiration and with a depressive crisis, who years before had been Clara's lover.