A mad doctor builds a robot in order to steal a valuable Aztec treasure from a tomb guarded by a centuries old living mummy.
Gone several years, the brooding Alejandro returns to the hacienda of his foster sister, Catalina, whom he loves, to find her married to the wealthy and effete Eduardo.
Pablo, a wandering laborer, has imprisoned himself in a hell of alcoholism. Cruz, a widow, reaches out to the troubled man, but even her compassion may not be enough to save him.
