Phantom of the Ancient House

In an ancient house with a history of hundreds of years, Du Yukun's family lives. He came to seek help from Zhuge Kai, saying that terrible supernatural events had occurred in his home. Every night when people were quiet, there would be a sound like a cat meowing or a baby crying, which was very scary. Zhuge Kai asked him to invite Taoist priests in the Taoist temple, claiming that they could catch ghosts and that he was only interested in things in the human world. Late one night, Du Yukun really died, and the result of the forensic examination was that he suffered from split liver and gallbladder and died of fear. Are there really ghosts in the world? But on the snow-covered ground, no human footprints were found, which was indeed incredible. Zhuge Kai did not believe in the theory of ghosts and gods, so he launched an investigation...