Original*

Bloody Mary, a ghost house in the mountains, the mysterious shadow of the yellow wolf, the first seven ghosts... A steady stream of strange cases followed. Behind the absurd rumors, there are often even more incredible truths hidden. In order to pursue the truth, Ma Haoran and his partners did not hesitate to take risks many times. Through rigorous reasoning, they solved one mystery after another and found out the root of the crime hidden in the criminal's heart...