A rich woman, Raffaella, and some friends rent a yacht to sail the Mediterranean Sea during summer       The sailor, Gennarino, who is a communist, does not like this woman but has to bear with her bad mood       One day she wakes up late in the afternoon and asks to be taken to land where everyone had gone earlier       Gennarino sets up a boat but during the trip, the boat breaks down       They spend the night in the middle of the sea