Find the Bones and Identify the Evil

Everyone said that Li Tiantian forced the second generation of the palace rich because of money, but people who know her well know that she is not short of money at all. Why did the girl who was bitten by a pack of wolves appear in the basement, chained up by neither humans nor ghosts? Students disappear frequently, and a university teacher who is about to complete his life is in danger without knowing it. An invisible hand behind the back reaches out to everyone quietly...