Moscow. A poster on the building "Extraordinary All-Russian Congress of Soviets of Workers, Soldiers, Peasants and Cossack Deputies." Arrival of delegates to the congress. Checking passes, documents. The movement of cars along the streets of the city. The audience in military and civilian clothes at the buildings on the streets. LB Kamenev speaks from the car. A. Kollontai and G. Letsky (commandant of the Maritime Commissariat) are standing at one of the buildings. The audience in the Zoological Garden. A cage with a bear.