This Swedish sex-comedy/drama explores the complications in the relationship of a couple who believe that if they make love to each other, they will die. They neck and are physically affectionate in public as well as in private, but have a big taboo against sexual consummation. Their situation drives them to distraction, and they unsuccessfully seek various extramarital outlets for their frustrations.

The world-famous Swedish boxer Flosse travels to Italy to fight for the world boxing title. In Rome he meets the nightclub singer Lollo.

A movie director is approached by his old math teacher with a great movie idea: the Devil declares that the Earth is hell. The director rejects the idea, but subsequent events in the life of a writer, a friend of the director's, and a young prostitute he loves seem to prove the math teacher's idea.