Arturo is a teenage boy who lives alone on an island. His mother died when he was born, and his father is always away. From time to time, Arturo's father comes to see him, but only too soon leaves him again. He seems not to appreciate his son at all, but, nevertheless, Arturo adores his father. One day, Arturo's father arrives with his second wife, Nunciata, a seventeen-year-old girl with whom Arturo soon falls in love...