Soldiers of the 3rd battalion of the anti-aircraft artillery regiment of the air defense of Leningrad in the ranks. Commander of the Air Defense Army, Major General Koshikhin, read out the order to award the Order of the Battle Red Banner. The battalion's artillery pieces are firing at the enemy. Vessels ready for navigation at the port. Ship in the woods. Repairers are working. Firefighters extinguish the fire that has arisen as a result of the bombing of the city: fuel oil is burning at the station, firefighters are replacing the damaged hose line. A wounded firefighter is lying on the ground. Moving to a new apartment of the family of the front-line soldier Nikiforov, received in exchange for the destroyed old one. Soldiers of the household squad help to transport furniture. Collecting onions in the greenhouses of the Krasny Vyborzhets collective farm. Sending the bow to the hospital. Sniper A. Govorukhin talks to the scout, sneaks into the position, fires at the enemy. Sappers of Captain Mikheev are tasked with clearing the passage in the enemy's obstacle, crawling to the barbed wire, cutting the wire. Fort "O". Disguised weapons. Submission of shells. The guns open fire.