The film uses film documents about the creation of the Communist International, about its first congresses, about V.I.Lenin's participation in the meetings of the congresses of the Comintern: the chronicle of the 1st and 2nd congresses, the chronicle of the Civil War, intervention, the events in Hungary in 1919, the proclamation of the Hungarian the Soviet Republic, the fall of the republic, the chronicle of the 3rd Congress of the Comintern, revolutionary events in Bulgaria, Germany, Italy.