Olonets district. Harvesting rye and corn in the Chkalov agricultural cartel. Silage of corn. Harvesting potatoes at the Voroshilov agricultural cartel. The city of Petrozavodsk. Station of Young Naturalists. Children take care of flowers, harvest vegetables. Zoological farm station. Squirrels, rabbits, Ussuri raccoon, birds in a cage. The city of Petrozavodsk. The building of the new school. Classrooms are designed by teachers and students. September 1. Schoolchildren in the classroom at the new school. International sea voyage under the motto "Peace and friendship among peoples" on the steamer "Batfiy". Steamer at sea. Participants of the voyage on the steamer. Meeting the steamer at the Leningrad seaport.