Why does the decapitated ghost in the midnight hospital pray frequently?

Why do the ghosts in human skin in the deserted mountain village keep wailing?

Why does the long-haired female ghost in the bachelor's apartment scream in the middle of the night?

All this is not a distortion of human nature, let alone a loss of morality, but... someone is sick!

Living in an era of resurgent terror and rampant ghosts, Bai Yuan, who was wearing hospital clothes, smiled calmly and said to himself:

"It's time to give Li Gui a little psychotic shock!"