A team of locksmiths - repairmen of foreman N. Logunov of the Moscow-Sortirovochnaya railway depot repairing locomotives. Newsreel: the first communist subbotnik in the Moscow-Sortirovochnaya depot (1919). A rally at the Moscow-Sortirovochnaya depot to mark the conclusion of an agreement on socialist competition between N. Logunov's brigade and a team of German workers at the Brandenburg Railway Mechanics Plant. N. Logunov speaking. Conversation between German and Soviet workers. Seeing off the German guests. Locomotives, the "Yunost" train of the children's railway pass by the railway.