The city of Leningrad. Troops and equipment are stationed on the Palace Square. Among the military: G. I. Kulik. The cruiser Aurora is on the Neva. A shot from a gun on one of the ships. Parade of troops and equipment. On the podium, statesmen, military leaders, among those present: A. Zhdanov, A. Bubnov, M. Chudov, V. Primakov, I. Ye. Slavin and others. Sailors, infantrymen, internal troops are passing by, cavalry, horse artillery and equipment are passing by. Planes take off from the airfield. Airplanes fly over the city. Self-propelled guns enter the Neva River, sail along the river. Demonstration of workers in Leningrad. People sing, dance. Osaviakhimovtsy (Society for Assistance to Defense and Aviation and Chemical Construction) are passing by. Night celebrations, festivities.