The village of Tobino, burned down by the Germans, in the Leningrad Region. The pipe remaining from the house. Return of residents to the village; they harvest hay and harvest rye. Shop of a military plant. Workers at the machines. A. Matyukhin, who fulfills the norm by 180%, processes the part for the projectile. District military enlistment office. The military commissar handed documents to the girls who came with a request to enroll them in the ranks of the Red Army. The girls undergo a medical examination. Girls in military uniform in the ranks. The building of the KA Rauchfaus Children's Hospital. An ambulance brings up a wounded child, who is carried on stretchers to the hospital building. Operating room. Hospital corridor. A boy without a leg sits on the couch, injured children are playing. The nanny feeds the children, puts them to bed. A participant in the civil war, the father of Lieutenant S. I. Khromykh, I. S. Khromykh, who voluntarily came to the Red Army to replace his murdered son, shows a photograph of his son to the commander. IS Khromykh at an artillery gun, firing at the enemy. Major Kirchekhov's heavy mortar unit. Mortar men near the guns mounted on the machine. Fire at the guns of the enemy. Moving "Wandering Mortars" to a new location. The gunboat, tasked with striking the fortifications and destroying the enemy's manpower, at sea, is firing at the coastal fortifications and fascist aircraft. An armored train at a firing position. Commanders for the development of the plan. Calculation at the gun. Fire on enemy fortifications.