Mysterious Black Post: Serial Murder Case

A mysterious black post triggered a series of tragedies and involved a shocking case that had been sealed for ten years. Ye Chen accidentally picked up a black post after get off work, but he didn't want to trigger something bizarre. The person who was originally dead actually seeks revenge from him? What is the relationship between the successive serial murders and the mysterious black post? Who is behind all this? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.