Sun Wei and Ding Xiaoqian are teachers near an abandoned old school building. They decide to venture into the old school with Guan Hui, who possesses a treasure map. Inside the school, each person encounters strange and ghostly occurrences. The next day, Sun Wei shockingly discovers that Ding Xiaoqian, Bai Li, and the others never actually went to the old school for the adventure. Sensing something amiss, Sun Wei decides to return to the old school with Lin Zhengying to uncover the truth...