Not for the faint of heart, don't read before going to bed, traditional Chinese supernatural horror stories and secrets of Pu'an religion. Hu Daguang, a carpenter, was actually the successor of Pu'an religion. He retired due to the tragic death of his wife and son. In the Republic of China, strange things happened frequently in mountain villages, and the cult "Netherworld Hall" came back with a vengeance, trying to open the underworld and cause trouble to the people. He was forced to regain the magic weapon and join forces with his girlfriend Zhang Wannuo, a doctor of Western medicine, to explore the truth about the plague sixty years ago and fight against the evil god. Mo Dou locks the corpse, Lu Ban measures the soul, and a life-and-death battle surrounding the mysterious "key" begins among the ghosts and shadows...