Thälmann and his friends organize a communist uprising in Hamburg, and manage to hold out against the Reichswehr and the police. Fiete killes Zinker. Then, a delegate from the Central Committee announces that armed struggle is no longer the policy of the party, and the weapons promised to them by the leadership will not arrive. The communists are forced to flee. Jansen is sentenced to death, but eventually his life is spared. Thälmann appears in the Hamburg harbor and promises not to abandon the struggle.