Infamous National Socialist propaganda film, whose plot centers on the ideological conversion of a working-class family: Communist youth organizations versus the Hitler Youth in early 1930′s Berlin. Heini Völker, printing apprentice and son of a Communist, aligns with the Hitler Youth and informs on a Communist plot against them. After converting his father as well to National Socialism, Heini is accepted as a Quex in the Hitler Youth. He is brought down and killed by Communists amidst a propaganda-campaign in his working-class district.