A documentary almanac about the life of the Soviet capital during the period of the extensive construction of socialism. The film shows the transformation of the external appearance of Moscow, the construction of new avenues, metro lines, residential buildings for workers, and the formation of a new way of life for a worker. There are also shots in the film that depict the leaders of the working proletariat: vols. I. Stalin, S. Kirov, S. Ordzhonikidze and others.