The young pacifist Claudio is saddened to see some children playing war. He goes with a group of rebels who make fun of him and invite him to participate in a motorcycle race where the prize is a girl. Ál wins the race with the help of Rafael, the head of the band, and decides to buy to join the group, on a trip they meet with some hippies led by a psychologist who opposes drugs. Two of the gang members, Gabriel and Bernardo, attack one of the girls; the hippies in revenge violate Mimi and sa Julia, for which Bernardo kills a hippie. Claudio fights with him but Mimi intervenes and receives a stab aimed at Claudio. Ál recalls that Rafael was a brother and a lover of her. The police arrest the hippies and scold the parents for the behavior of the young people.