During an expedition in Antarctica, a geological team accidentally discovers a Nazi laboratory from World War II that was kept hidden in the depths of the ice. A terrible secret weapon is hidden in the lab: an army of genetically modified sharks piloted by superhuman Nazi zombies. When they are awakened, they take to the skies, with terrible consequences for everything that crosses their path. An elite military group of four fallen US soldiers in Vietnam faces the threat to save the Earth from destruction.