Harvesting rye in one of the farms in the North Caucasus. The pioneers of the village of Krasnoarmeyskaya are gathering spikelets in the field. Moscow. Spartakiad of pioneers of the Frunzensky district: pioneers compete in running and jumping. Leningrad. Rest of the pioneers in the pioneer camp on Vasilievsky Island: the pioneers on the line, swim, sunbathe, write a wall newspaper, study in circles. 4th All-Union meeting of aircraft manufacturers (aircraft designers) in Moscow. Young air amateurs launch their glider models. Agit squadron them. Gorky: the squadron's planes are in the air, on the airfield, among them the Pionerskaya Pravda plane.