Rome, 70s. Rocco and Antonia, high school students, meet during a political rally. The two young people share age, political ideas, dissatisfaction with their parents. Moreover, by attending, they realize they have fallen in love. It is the discovery of sex and passion. After some time, however, their relationship goes into crisis.

A shipwreck strands a modern Italian businessman on a desert island. Like Robinson Crusoe he must find a way to return to civilization; unlike him--he's a 20th-century man, a totally different case.