In the last moments of World War II, a secret Nazi space program evaded destruction by making a daring escape to the Moon. In the intervening 70 years they have re-colonized, re-armed with devastating new weapons and silently plotted their revenge. When an American astronaut stumbles upon their secret Moon lair, the Führer (Udo Kier) decides to unleash their alien armada upon the unprepared Earth. Now every man, woman and child must unite to repel the UFO Nazi invasion and save humanity!