Day June 22, 1941 fighter pilot Lieutenant Artem Gudimov met on the ground. The train in which he was traveling to his military unit near the western border was shot by German tanks. Artem managed to survive and get to the nearest airfield. There he learned what terrible misfortune hit our land. Many pilots died in the first hours of the war, the planes burned down before they could take off. The lieutenant understands that all hope is now on people like him - the brave and desperate, who went through the harsh school of the Finnish War. He takes command of the fighter unit and begins a merciless battle with the German aces...