The Planar Alignment is at hand and a powerful being called Hydrais awaits return from banishment to the Nether Plane of Zamas to the Plane of Light called Vaalüna. On Vaalüna, the Elf Aerinas along with his friends and allies work to prevent Hydrais' return. To do so, they must battle the forces of evil and Aerinas must confront truths about himself and the cold, calculating intelligence that dominates everyone's destiny.