Based on materials from the Agitprof Central Committee of the MOPR. Shots of Soviet and foreign chronicles of different years: soldiers listen to the speech of an orator, a Red Guard, explosions in the trenches, barbed wire. Workers' demonstrations, riots, strikes, police in the streets, shooting, wounded, arrested, prisoners - in Germany, Bulgaria, Hungary, the United States. An electric chair in a US prison. F. Cohn's speech at the IV Congress of the Comintern. I-st congress of the MOPR: on the podium: M. I. Kalinin, F. Kon. K. Zetkin is speaking. Moscow. Speech by a member of the Presidium of the Executive Committee of the MOPR Sen-Kitayama at the rally. Germany. Donation to MOPR, home for the children of revolutionaries in Germany. Visits, transfers to political prisoners (dramatizations). Arrival of Polish political prisoners in the USSR: the train approaches the station, the Polish revolutionary Volpis on a stretcher. Dormitory for political emigrants. Demonstrations of protest. A. Barbusse (France) speaking. Film portraits of released political prisoners: Bela Kun, Max Geltz. Leningrad. Steamship movement, steamer at the pier, workers at the pier (possibly staged). B. Kuhn's speech. Demonstrations. Meetings. Posters, titles, propaganda animation.