Russian Bomber pilot Andrei Grivstov (Nikia Efremoy) is shot down over German territory, along with his love and radio operator Katia (Ekaterina Astakhova), and his Navigator, who was able to parachute before they crash. They are separated, as he goes to prison, escapes to fight with guerillas and eventually work his way back to "the world", while Katia is able to infiltrate the German command.