Aliens have landed on Earth! They are in search of fresh blood! The aliens have chosen female menstruation as their main food source. No "Bloody Mary" is safe from the intergalactic vampires! But a fearless troop under the leadership of the village idiot Jockel Rangebumm faces the monsters! True to the motto: "You want blood? Then come and get it!" the astro-zombies are properly heated up!