This film tells the bizarre tragedy of Yao Xiu, a young lady of the Yao family, being deceived into a demon by Bai Bai Zi in a mountain villa called Gushan Village during the Republic of China era, leading to the murder of her entire family. Years later, Yao Xiu, who took the alias Lu Xiao'an, returnedGu Shan Village, search for the reason why the whole family was killed back then. In the end, a clever plan was used to find the real culprit, breaking the illusion that Bai Pizi could possess and control people, exposing all feudal superstitions as rumors and legends, and advocating forBreak away superstitions, advocate science, establish a correct worldview, and firmly believe in materialist thinking.