Set during the flourishing Tang Dynasty, Moyun Academy is the most prestigious school in the land, known for a prophecy that one of its students will revive the Dragon King and the ancient Kunwu clan. When Li Xuan, a half-human, half-Kunwu, arrives alongside saintess Su You Lian and prince Long Wei Er, their presence unsettles the fragile peace. As secrets unravel and bonds deepen, Li Xuan finds himself torn between love, identity, and duty—on a path that may make him a hero or a traitor.