The film is dedicated to the 50th anniversary of the brotherhood of the peoples of the USSR and Hungary. The year is 1918. Celebrating the 1st anniversary of the October Revolution on Red Square. Lenin on the square. Ya. Maiteni recalls the October parade in Moscow (synchronously). Demonstrators on the streets of Budapest. J. Kadar welcomes the demonstrators. Moscow. Kremlin wall. Memorial plaques with names. Chronicle. Moscow 1918. The funeral of the Hungarian Wienermann. Omsk. Obelisk in honor of the Hungarians. Hungarian prisoners of war during the First World War. Photo by K. Ligeti - participant of the revolution in Russia. October Revolution (chronicle). Omsk prison where K. Ligeti was shot. Colonel General Khlebnikov recalls L. Gavro (synchronously). Photos of Hungarian internationalists: F. Munnich, M. Zalka. Return of Hungarian soldiers to their homeland. Demonstrations in Budapest. November 16, 1918. Proclamation of the Republic in Hungary. Bourgeois Democratic Government. House on Varosmayor Street, where the establishment of the Hungarian Communist Party was proclaimed on November 24, 1918. I. Kelei is speaking. Photo of the first Central Committee of Hungary. Photos by B. Kuhn. B. Kuhn speaks, with members of the Revolutionary Military Council of the Southern Front, on Red Square. Demonstrations in the streets demanding the release of B. Kuhn, who was thrown into prison. May 1st in Budapest. B. Kuhn at the demonstration. Enrollment in the Red Army. Combat action. B. Kuhn's telegram to Lenin. T. Samueli meeting with I. Podvoisky. May 25, 1919 Lenin, T. Samuely at the General Education parade. Speaker: V. I. Lenin, T. Samueli. Dispatch of Red Army units to the Hungarian border. The French in Hungary. The head of Hungary is Horthy. March 1944 German tanks in Hungary. Underground publications of the communists. Fighting of Soviet troops on the streets of Budapest. Remembers I. Moravets (synchronously). Residents of Hungary welcomed Soviet soldiers. Soviet pilots, whom 25 years ago the inhabitants of Hungary L. Szabo, his wife and neighbor J. Klein saved their lives, are visiting their planes. Cemetery of Soviet soldiers in Budapest.