The final part of trilogy about the life of a young factory worker, Maxim. Following the Russian Revolution, Maksim is appointed state commissar in charge of the national bank. With great efforts, he learns the complexies of the banking trade and begins to fight off sabotaging underlings. Dymba, now a violent enemy of the Republic, tries to rob a wine store but is arrested with Maksim's help. Maksim also exposes a conspiracy of a group of tsarist officers who prepare an attempt against Lenin. He then joins the Red Army in its fight against the German occupation.

The second part of trilogy about the life of a young factory worker, Maxim. In July 1914, the Bolsheviks and Mensehviks compete for representation of the working-class in the Duma. Maksim, who just returned from exile, calls the workers to strike as a protest against the firing of six of their colleagues. The traitor Platon Dymba assaults Maksim, wounding him severely. When the strike unfolds the workers demonstrate by the thousands, the news of the outbreak of World War I suddenly arrives. Maksim gets drafted.

A 1945 Soviet war film which, along with the second part of Eisenstein's Ivan the Terrible was harshly criticized by Andrei Zhdanov and banned. A version of the film, released in 1956 during the Khrushchev Thaw, was disowned by director Grigori Kozintsev because the reediting was done without his participation.