The film is based on the eponymous book by Emmanuil Kazakevich. In the summer of 1944 the Nazi Armies prepare a massive Tank Division named 'Viking" for the offensive on occupied Russian land. The Russian Army's special group of seven snipers named "Zvezda" is sent for a reconnaissance operation behind the enemy lines in the back of the Nazi Tank Division. Two previous Russian groups never came back. The seven Russians know that they are going to an almost certain Death for the sake of Victory.
A rare mutation has occurred within the vampire community - The Reaper. A vampire so consumed with an insatiable bloodlust that they prey on vampires as well as humans, transforming victims who are unlucky enough to survive into Reapers themselves.
Joe Enders is a gung-ho Marine assigned to protect a "windtalker" - one of several Navajo Indians who were used to relay messages during World War II because their spoken language was indecipherable to Japanese code breakers.