The ace pilot Lydia Litovchenko loses her wingman during an air attack. One of the newly arrived pilots, Leonidas, is trying to impress Lydia with his skill. Ilya Bes arrives at the regiment. He is the only one of the replenishment who took part in a real air battle during the Spanish Civil War. A fight ensues between him and the second young pilot, Boris, over different views on German literature. A German pilot captured on a tip from Lydia ...
