In part five of the Vermonia series, Mel continues her double life imprisoned within the castle of Acidulous, but now she is not alone: Satorin has been lured there by the beautiful and seductive squelp Satoran. Although Mel's powers are growing, will they be enough to free her and Satorin from Uro's ever-tightening trap? Meanwhile, Doug, Jim, and Naomi must confront monsters of their own making that rise from Xandan Lake's waters, illusory demons...