Princess Susanna becomes a sacrificial offering sent directly into the mountain domain of William, a ferocious sovereign dragon whose kin was slain by her kingdom's celebrated champion. Expecting instant execution, Susanna discovers instead that William remembers her past mercy toward young dragons, holding back his incinerating breath.
When Susanna risks her own safety to negotiate release for her knight fiancé Vincent, she discovers Vincent was already captured and happily traded her freedom for his own escape. Betrayed by human chivalry, Susanna stays beside the solitary dragon monarch, helping him defend his mountain peaks while awakening a power that commands empires.
