Animated map shows shrinking area of Tsarist Russian control as Bolshevik influence from Russian Revolution moves across Russia, leaving central region around Moscow still politically contested. Russian troops run through a snowy rail yard, next to a flat car on which an automobile sits. Bolsheviks board another flat car. Mikhail Kalinin speaks forcefully to a crowd, and later, with a cigarette in his mouth, mingles with young people in the crowd. People receiving Bolshevik newspapers at a train depot. Newsmen conversing. Another speaker delivering an impassioned speech.
Bolshevik leader Vladimir Lenin comes to power in Russia after the Russian Revolution. Lenin talks to Lev Kamenev in the courtyard of Kremlin in Moscow. The two communist leaders talk while walking. Large cannon and the cannon balls. Lenin with his wife Nadezha Krupskaya sitting in his wagon.