1 plot. - Camp of the Lapps in the Vitim taiga. Lopari move to new pastures with the arrival of spring. 2 plot. - Students of the school of collective farm youth are engaged in the theoretical study of agricultural machinery. Plowing the land in the experimental field. 3 plot. - Fishing in the fields in the Azov Sea. 4 plot. - The use of aircraft in sowing state farm areas in the North Caucasus. 5 plot. - Ice drift on the Moscow River. 6 plot. - Base "KIM" (Communist International of Youth) of the Bauman district of Moscow: children publish a wall newspaper, help the police to keep order on the street. Violators of the traffic rules are brought to the headquarters for the fight against violators, and they have a conversation with them. 7 plot. - Gorky. Young technicians of the school. Lenin's telephone set in the classroom. 8 plot. - Young car designers Yura Ryndin and Mitrofan Zapozhnykh are sitting in their cars, driving along the street. 9 plot. - Competition for the best drawing, organized by the newspaper "Pionerskaya Pravda". The secretary analyzes and registers the drawings sent to the competition. Note: * Sami people (modern).