With the World War II raging, Hellboy's future guardian Trevor Bruttenholm enlists with Britain's Military Intelligence, where he uncovers a collection of strange messages. Believing it to be an occult language, he follows his hunch and is thrown into a world of animated corpses, deadly mystics, and Nazi agents. The treacherous journey leads him face to face with the man who will bring Hellboy to Earth—Rasputin! The two men responsible for Hellboy face off!