Ex-soldier Frank Brayker is the guardian of an ancient key that can unlock tremendous evil; the sinister Collector is a demon who wants the key so he can initiate the apocalypse. On the run from wicked mercenaries for almost 90 years, Brayker finally stops in at a boarding house in New Mexico where — with the help of its residents — he plans to face off against the Collector and his band of ghouls, preventing them from ever seizing the key.
A virus from outer space transforms a bio-researcher into a blood thirsty monster. But chief, Dr.Vialini doesn't like the cops and public to be involved in this secret experiment. But he becomes lunch very soon.
A Mexican outlaw known as "The Stranger" is part of a band of thieves that steal a cargo of gold from a stagecoach. However, the Americans in the band betray him, and shoot all the Mexicans. The Stranger is not completely dead though, and crawls his way out of his shallow grave, continuing his pursuit of the gold, and exacting a bloody vengeance.