The world of Baten Kaitos is a world adrift in time and space. Humanity forges its existence on an archipelago of land floating in a yawning, endless sky. The earth below, and the vast oceans it once harbored, are mere legend. It is by no means a tranquil existence. A sinister conspiracy is afoot, one that threatens to tear these few remaining rafts of land from the heavens and erase forever the memory of the seas below. Act as conscience and spirit guide for young Kalas and his companion Xelha. Guide them in battle and watch their friendship bloom. Join them as they struggle to reveal the mystery of the lost sea and destroy the corruption that threatens their world.