Egyptian armies of revived mummies conquered almost the entire world. Venice has fallen - after all, its mysterious protector, Queen Fluiria, left the city, possessing the body of a girl named Merle. On the wings of a stone lion, Merle and her patroness set out to find allies. But only the Lord of Hell is able to resist the ruthless army of Pharaoh Amenophis. And Merle has no choice but to go down to the underworld to ask the dark lord for help...