In order to prevent the war between gods and demons, the ancient great god Shennong sealed the power of the gods, and the demon world also escaped. Tianshen Jie spied on the heavenly scriptures to break the seal on himself and wanted to occupy the demon realm. His daughter Aoki Takuo wanted to find the Kunlun mirror and the Pangu axe in order to stop it. Cang Rong Sword and other three ancient artifacts re-sealed it, but failed. So she and her husband Cang Li entered the Demon Realm, and turned into the Holy Spirit Mountain to strengthen the Demon Realm seal. Cang Li decided to stay in the Demon Realm to protect his wife and find the ancient artifact seal. The task of robbing was entrusted to the Devil Emperor. After thousands of years, the grievances and entanglements of the disputes in the Three Realms were brought out again...