Lid Kail, determined to honor his father's legacy, embarks on a quest to defeat the incarnation of the evil that has come to dominate the world. Longn and Mimau also set out to fulfill their father's will. Along the way, Key and Bagda join the group. Together they overcome numerous challenges and eventually confront Vaii, the embodiment of evil. Though they succeed in defeating Vaii, the underlying problem remains unsolved.