The scene is laid in the conditions of the supposed war. The Soviet reconnaissance astrays the order of the high command of Fascist Germany about the crossing of the Soviet border. Thousands of our aircraft, among which there is a squadron № 5, fly out in order to deliver the bombs to the German aerodromes. Despite the successful smash of the enemy’s air forces, fascist manage to put out of action two our planes. The squadron № 5 pilots, a major Grishin and a commander Nesterov, drop on the enemy’s territory and, using a German radio station, send for the Soviet bombardment aircraft squadrons for the bombing of the underground hangars. With the help of German soldier-antifascist the heroes occupy the enemy aircraft and successfully return back.