In the early years of the Republic of China, strange events frequently occurred in the century-old house newly purchased by wealthy businessman Zhou Shichang. Servants disappeared and cries continued in the middle of the night, causing people to panic. The Zhou family had to seek help from Taoist priests.
Zhang Mingyuan, a young but profound Taoist priest, was invited to come. With his keen perception, he discovered that the ancient house was extremely dark, especially the ancient well in the backyard. He concluded that there must be an evil spirit at work.