A film about the city of Monchegorsk. Winter landscapes of the Kola Peninsula. Deer herds graze on the mountain slopes and in the tundra. Reindeer herders. Geological expedition. Geologists and surveyors on an expedition (1934). The city of Monchegorsk. Winter. Streets, buildings. The movement of cars, reindeer teams, a steam locomotive with a freight train. Production processes at the Copper-Nickel Plant, Concentration Plant. Extraction of ore at the mine. Master of the converter shop Puryshev at work, in family life, with his wife and children on a ski trip. The city of Monchegorsk in the summer. Children play outside. Nursery. The children are put to bed. Children are sunbathing. Pioneer camp. Rest for children. Lake Imandra. Boating, motorboat driving. Members of the flying club board the plane. Walk along the lake. People on deck start up and listen to the gramophone. The plane is flying in the sky. View of Monchegorsk and the plant from the plane.