Kanji is the last royal Kuro swan, an ancient race who once served the demonic Sidhee. The Kuro were betrayed and given as slaves to the Dryma fairies. When a Dryma is born, his soul attaches to a tree and to sustain their lives, the Dryma conscript the Kuro to protect their woods. In their servitude, the Kuro are languishing and dying off. Kanji is desperate to reunite his people with their stolen wings, but the task seems impossible.

When Kanji discovers a plan to unite the Sidhee and the Dryma, he tricks the Sidhee prince and attends a masked ball in disguise. There he meets Prince...