WWII. The Nazis subject the radio station on Bezymyanny Island to a brutal bombardment and soon land a landing force. The enemy mercilessly destroys all life, but the radio station continues to operate—meteorologist Asya has installed a spare radio on an abandoned schooner. The Soviet warship and seaplane continue to fight the invaders.

Based on the play of the same name by Georgi Mdivani. In September 1941, lieutenant Ilya Streltsov, who graduated from the flight school, was assigned to the fighter aviation regiment guarding the sky of Moscow. He meets in part the nurse Zoya, with whom he grew up in the same yard and with whom he has long been in love. During the first training flight on the "Seagull", lieutenant Streltsov shot down a German plane and received the nickname "Lucky." Streltsov is jealous of the squadron commander to nurse Zoya, believes that he is finding fault with him. For a whole month he is not allowed to fly sorties. In October 1941, lieutenant Streltsov made his first sortie, he shot down one plane and rams the second. For this battle, he is awarded the title Hero of the Soviet Union.

At the end of September 1941, Soviet artillery troops in besieged Leningrad realize that pretty soon they will fire their last shot, and after that the defense of the city will be doomed. The film is based on a true event: a small group of fearless soldiers transported a large supply of gunpowder through enemy lines to Leningrad.

The hero of the film is Vasily Zavyalov, a Siberian, the headmaster of the school in Turgus, where he was born and grew up. We have an army and a pedagogical institute behind us. The rural communists respect him and elect him secretary of the district party committee...