In 1944 the Nazi military and scientific departments are researching the occult. Russian mystic Grigori Rasputin builds a dimensional portal off the coast of Scotland, where he intends to use it to bring about the destruction of Earth. In his employ is the ultra-silent assassin Karl Ruprecht Kroenen, who seemingly can't be killed. However, the United States has sent forces of their own to Scotland, along with Professor Trevor Bruttenholm, who is well-versed...