La película transcurre en Rusia en julio de 1942 durante la Segunda Guerra Mundial. Las tropas nazis se aproximan a Stalingrado y los rusos están exhaustos y sobrepasados en número. Pero después de una batalla sangrienta, los invasores nazis son detenidos en Stalingrado.
Based on a true story about Soviet spy Lev Manevich. He lives in Italy and operates in the Nazi Germany and Austria. Manevich, who is posing as a businessman, collects information about the latest German airplanes made by Messerschmitt for Luftwaffe. On his spying trip to Berlin, Manevich noticed that a stranger was following him. Now his life is in danger, but he must do something to complete his mission...