A snake fairy who has been practicing for thousands of years launches a revenge plan to avenge his murder by humans twelve years ago. It possesses the woman, causing her to suffer from illnesses while looking for opportunities to take revenge on the murderer and his descendants. However, in the process of revenge, the snake fairy gradually felt the pain and helplessness of human beings, and began to reflect on his actions. Finally, under Gao Xian's persuasion, Snake Immortal chose to let go of his hatred, accept salvation, and practice cultivation again.
