Durante a Segunda Guerra Mundial, a retaguarda russa protege um ponte contra o exército alemão. Enquanto o exército volta para a Rússia os soldados mostram seu companheirismo e sentimentos para defender a pátria.
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...