1syuzh. - Austria. Vienna: May Day demonstration, rally, the General Secretary of the Austrian Communist Party Koplening speaks. 2syuzh. - Leningrad. Plant "Electrosila": lifting the rotor of the turbine generator. 3syuzh. - Moscow. Semyonovsky market: collective farm wagon train goes along the street, market territory. Goods, sellers, buyers, "Tea-diner" in the market. 4syuzh. - Kalmykia: yurts in the steppe, the movement of camels harnessed to carts. Elista: new houses, buildings: Pedagogical College, Kalmyk National Museum, House of Soviets. Bus station: bus movement, passenger boarding, truck. Classes of pedagogical school students with a teacher. 5syuzh. - Moscow. On the October field, Polish workers hand over a tank platoon to them to the Red Army. F. Dzerzhinsky, built with the funds raised by them; rally, speaking F. Kohn, tanks with an inscription in Polish "Klim Voroshilov", "I. Stalin", "Markhlevsky", soldiers at the tanks, the movement of a tank column. 6syuzh. - Moscow. Mass relay race 11 km, organized by the newspaper "Evening Moscow": spectators on the square, start, finish of the relay.