During the period of peace between immortals and demons, the Emperor of Heaven married Junru, the female demon in the demon world. The little demon Wanqing was the apprentice of the female demon. His body was transformed from immortal jade but he stayed in the demon world for a long time and his breath was hidden. Later, he got entangled with the Emperor of Heaven and was punished to go to the Nuwa Temple. Under the protection of Lei Jie, he remembered that when he was going through the Love Tribulation in the human world, he was both physically and mentally destroyed and burned the Heaven.