In the last moments of World War II, a secret Nazi space program evaded destruction by fleeing to the Dark Side of the Moon. During 70 years of utter secrecy, the Nazis construct a gigantic space fortress with a massive armada of flying saucers.

In the year 2019, a plague has transformed almost every human into a vampire. Faced with a dwindling blood supply, the fractured dominant race plots their survival; meanwhile, a researcher works with a covert band of vampires on a way to save humankind.