It shows how the October Revolution affected the hearts of the Mongolian people, and how they defeated the white bandit Baron Ungern at the beginning of the revolution and put an end to his evil activities.

Dziga Vertov-directed Soviet newsreel covering: A bet is placed on the outcome of the Trial of the Socialist Revolutionaries / The verdict / People in streetcars and on the street / A crashed aircraft / Reconstruction of streetcar line 13 / Peacetime use of tanks – airport construction work.