The fox demon Ruoye Sansheng was lucky enough to be taken in as a disciple by the White-Tong Divine Lord of the Nine Heavens. An accident caused him to release the snake demon that had been imprisoned in the Black Pool for 500 years. The snake demon injured many gods, including Master Bai Tong, and then fled... Soon after, the master gave him a difficult task: lurk around the snake demon, and cooperate inside and outside to get rid of it.
Although he knew that his spiritual power was low, in order to atone for his sins and repay his master, Ruoye still agreed to the matter, and fled to the snake demon Hanjiang in the name of "the sinner who secretly released the snake demon", and begged him to protect him from the capture of the heaven. Facing this "benefactor" with doubtful origins, Hanjiang unexpectedly lowered his guard and agreed to let him stay by his side. From then on, Ruoye began a lurking career of trembling with fear and lamenting day and night...