During the Tianbao period, a mysterious murder case spread in the street market. There are different opinions about whether it was caused by a ghost or another private affair?
What is the truth about the Yamen shrouded in the wind, the houses with many mechanisms, and the horrible and strange underground palace?
After several reversals of the case, who is the murderer behind it?
Follow the detective Pei Siyuan to break through the complicated fog and explore the story behind the strange case.
