Intern red-thread fairy Xu Meili (Chenxi) possesses a suicidal girl, becoming Lin Xueyao's assistant. To secure a permanent position, she matches Lin Xueyao and Meng Huaichen, but due to misunderstandings and accidents, she is framed by Lin Xueyao, nearly disfigured, and Meng Huaichen's attitude toward her drastically changes. After going through numerous hardships, Xu Meili gives up the permanent position and decides to stay in the mortal world to spend her life with Meng Huaichen, but is obstructed and corrupted by Du Tianmu. Ultimately, they clear up the misunderstandings and achieve a happy ending.