A Cimmerian, having escaped from a city overrun by the uprising of Black people (“Creature in the Scarlet Tower”, another title “Terror in the Dark”), delivers the girl-non-media to her father, and then, through Argos and Conan, arrives in Kof. There he is hired to watch and eliminate royal intelligence officers. However, the “intelligence agents” penetrate into a strange underground dungeon. Inside, the careless people wake up a terrible guardian—an extraterrestrial factory, a cosmic ship, an underground temple? A horrifying technogenic monster-cyborg begins hunting the daring, two-legged creatures…