Presentation of the Guards Banner to the 10th Fighter Regiment. Presented by Rear Admiral Smirnov. Combat operations of a mobile artillery gun. The movement of the conveyor along the railroad tracks. Aircraft "U-2", equipped with a loudspeaker station, on a combat mission. Pilots on the plane. Captain Rudnik speaks into the microphone (sync. In German). The plane is flying over the territory occupied by German troops. Village "G" burned down by punitive units of the German army. Homeless residents, including Fyodor Vasilyevich and his 15-year-old son Viktor. Fyodor Vasilyevich and Viktor join the partisan detachment, take the oath, receive weapons. Manufacturing processes for the manufacture of shells at one of the industrial enterprises. Harvesting beets and cabbage at the Udarnik state farm. Komsomol member Anya Ivanova is working. The city of Leningrad. The building of the Polytechnic Institute. Students in the classroom. Lecture by Professor S. P. Gvozdov.