Legend has it that in troubled times, the dragon demon wiped out the war, and the three parts of the world gained peace for three hundred years. However, a bloody brother-killing coup broke the peace that lasted for three hundred years. The two sons of the late king, the half-demon Cang Ming, were forced to live in exile in the human world, looking for hope amid pursuit and despair; the arrogant Ao Sha unexpectedly became a disciple. And all this is done to regain power and unify the world. Can they succeed? What kind of secrets is this world full of?