 Heini Völker, son of communist parents in Berlin, is invited by the Communist Youth Organisation for a camping near Berlin, but he thinks the Hitlerjugend is more attractive, they ve got more discipline and a better organization. His father wants him to become a member of the Communists, but he received an invitation to the HJ. A friend of his father, the local leader of the Communist youth, has arranged an attack on the HJ-rooms this evening. The HJ thinks, Heini is responsible for the attack. But Heini still wants to join the HJ, so he informs them about a planned bombing. The communists know after they lost their explosives, who is responsible for this, so Heini s mother who heard about it decides to kill herself and Heini with gas. Heini survives and becomes a member of the HJ. During an election campain he goes into his former quarter to deploy nazi-propaganda, but the Communists haven t forgotten his actions...