Yan Si, unable to continue studying in a big city due to personal health reasons, moves back to his rural hometown and resumes school at a middle school in a small town called Heilong.
As time goes by, Yan Si gradually realizes that something is wrong.
The funeral home, the circus, a villa in the mountains, the school, the autumn festival honoring wandering spirits, the Heilong factory district...
As all kinds of settings and dangers emerge, the secrets of the hundred ghosts gradually come to light. What path should those who know the truth take?
