In the south of Dali Temple, Fengyi and the female fang Mengxizhou met because of a crime, and they became masters and apprentices to catch monsters together. Just as their relationship was getting deeper, the demon king of Mengxizhou appeared in person and was bewitched and controlled by the inner demon. NanfengYi also discovered that he had the demon elixir that Meng Xizhou had lost for many years in his body. In order to save his sweetheart, Nanfeng Yi cut off the elixir and returned it, and spent the last of his life to join forces with Meng Xizhou to resist and free innocent creatures.

It is produced by Beijing Maitian Film Culture Media, Zhushen (Shanghai) Culture Media, Galaxy Vast (Beijing) Culture Media, and Orange Tree (Beijing) Cultural Group. It is directed by Maitian, starring Yu Mengyu and Li Zixuan, and special starring Wu Junyu and Zhong Lili., a costume fantasy drama with special appearances by He Hua and Feng Lijun, a special guest appearance by Liu Di, and a friendly appearance by Lin Xiaozhai.