The film tells the story of the protagonist Ning Caichen, a teacher in Lanruo Town. He encounters Xiaoqian being chased by a spirit hunter, and Xiaoqian is rescued by Ning Caichen. Ning Caichen believes that spirits can be good or evil, and human spirits can live in peace. Unfortunately, the spirit world snake grandma intends to revive the dark leader Heishan who has been sealed for many years, and kill him again and rule the human world. This is undoubtedly a disaster for the world. In order to protect the people from being killed by the spirits, Ning Caichen resolutely decides to go to the intersection of humans and spirits. Everyone joins hands to eliminate the dark forces, but they also sacrifice their precious lives.