Rally and demonstration of trade unions in Moscow. The beginning of summer navigation in the Leningrad cargo port. The city of Samara during the spring flood of the Volga. A trip of a detachment of Moscow pioneers to a village near Moscow, meeting with local residents. Funeral of VA Steklov, vice-president of the USSR Academy of Sciences; Academician S.F. Oldenburg delivers a speech. Animation: "Political toys based on the drawings of the artist Denis".