The world is split between a kingdom of light in the sky and a kingdom of darkness on earth. As the King of Darkness devotes himself to war, monsters ravage his lands. A boy whose village was destroyed by monsters questions the king's rule.

Groza joins the prince and Adel in the Kingdom of White, bringing an offer to extend the peace between the kingdoms. While the two sides work to build their newfound frienship, Groza finds herself irritated by the prince's interest in Iris.

With the prince and Groza left stranded on the surface, the King of Darkness launches his final assault on the Kingdom of White. Will Iris and her forces be able to withstand his onslaught?