Moscow city. Rally to mark the opening of a memorial plaque to Dzige Vertov on the building of the Central House of Social Democrats. Speakers: film critic L. Roshal, directors TSSDF I. Grigoriev, L. Makhnach, A. Ivankin, A. Medvedkin. Present: S. Pumpyanskaya, O. Uralov, A. Koloshin, V. Mikosha, A. Zenyakin, V. Konovalov, V. Novikov, P.A. Opryshko and others. Shooting cameraman TSSDF G. Epifanov. A plaque with the inscription: "Outstanding documentary filmmaker Dziga Vertov worked at the film studio from 1932 to 1954".