Giovanni, a married man with a child, meets on a train Maria, a former lover.
Michele is a Communist MP who loses his memory in a car crash—although nobody seems to notice. Over the course of a water polo match ahead of election day, he begins to remember his past life, revealing the picture of a man whose personal and political identity crisis mirrors the one of Italian communism.
The young priest Father Giulio returns to Rome, his hometown, after a long pilgrimage. Don Giulio hopes to live peacefully with his family and his friends, but discovers that many of them are depressed or frustrated, and some suicidal.
Two mental patients with opposite personalities ditch their Tuscan hospital and embark on an unpredictable exploration of the real world.