A film about the development of the national economy, culture, about the historical past of the Buryat-Mongolian ASSR. Fields, pastures, pedigree horse farms, flocks of sheep from collective and state farms. Procurement of fodder, harvesting, delivery of grain to the state. The secretary of the regional party committee Khakhalov talks with workers of the Stalin collective farm. Folk holidays after the harvest. Lake Baikal. Fishing collective farm named after K. Marx. Timber rafting. Harvesting of wood. Fishing farms of seals, muskrats, fur farms. Inhabitants of the taiga. Reindeer husbandry. Resorts: Arshani, Goryachinsk. Coal mining, Shakhty settlement. Ulan-Ude: streets, buildings, industrial enterprises: a cloth factory, a meat-packing plant, a steam locomotive-carriage plant "Stakhanov movement". Youth at a festival in Berlin. Noble people of the republic.