In order to save the world from being tortured by the rule of the demon Tan Taijin (played by Luo Yunxi), Li Susu (played by Bai Lu), the daughter of the head of the Hengyang Sect, made a desperate move and went back 500 years ago, incarnating as Ye Xiwu, the youngest daughter of the Ye family, to stop him.Jingguo's proton Tantai Jin, who had not yet been completely eroded by evil thoughts, became the devil.Unexpectedly, Tantai Jin turned out to be Ye Xiwu's husband, and the two gradually developed feelings for each other. In the end, Li Susu demonstrated the truth with his own life, changing the fate of Tantai Jin and the world.After losing his love, Tantai Jin searched for Li Susu's soul for five hundred years on the banks of the Netherworld River. He was rescued by the Immortal Sect when he was about to die. From then on, he became a disciple of the Immortal Sect.Li Susu meets again.Just as the two reunited, Tantai Jin's demon body still aroused criticism and covetousness, and the Three Realms were once again in danger.Faced with a cruel fate, the two people in love finally connected with each other under many misunderstandings. One became a god and the other a demon. Together they turned the world around and prevented the crisis of annihilation.