Pompeii 79AD, mere days before the Vesuvian eruption. Glaucus and Jone are in love with each other. Arbaces, the Egyptian High Priest, is determined to conquer Jone. Glaucus purchases Nydia, the blind and long-suffering slave. Nydia falls in love with Glaucus and asks Arbaces for his help. He gives her a potion to make Glaucus fall in love with her-- In fact, a poison which will cause violent insanity.