Centuries after their defeat by humans, the Winged Tribe has been stripped of their flight capabilities. Driven by a desire for revenge, a royal heir of the tribe embarks on a quest to find the mystical Naga Pearls, intending to use them to annihilate humanity. The coveted pearls unexpectedly come into the possession of Heiyu, a cunning human street rogue, who then finds himself allied with an unexpected group of heroes. Together, they must act swiftly to thwart the impending doom of their civilization in this enchanting fantasy adventure.