Catherine an alien beauty conspires to undo the reign of Minutiae, fugitive and demon from the depths of darkness. Its reign is an intergalactic empire built from a system of links, powered through mind and memory and that is controlled by a Tower constructed on a bewitching moon planet, Callisto. However, when unmasked and his truth is revealed, his revenge is the unleashing of his allies: a coalition of monumental intergalactic military might and warfare. Using their weaponry of advanced technology, he lays siege declaring war upon the culprit, King Amtrus, that has caused him opposition bringing rebellion. The demon thus descends, linking into the king's medieval world to dethrone him and place upon the throne his creatures, the Inguanid Monks. But to aid the king there is Brother Barnubus, a fervent monk of Lasterne' Abby; Ocelots a witch of profound insight and powers; Catherine and countless others ready to battle the demon and its alien creatures, together with its ominous bodiless Spaledling and robotic soldiers. But his allies only submit to his iron will hoping to gain prize: a share in the demon's treasure, the guerdon. But unbeknownst to them, there is other event and unexpected mystery to bring havoc to Minutiae's schemes!