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.

After a close call on on the highway, Marco--a very famous singer/songwriter in 1968--climbs onto the roof of his car and starts to sing. After an unsuccessful suicide attempt, he tries to take his life back into his own hands.