He used to be a private detective, but he was fired due to the company's operating difficulties, and his life fell into a quagmire. Just when he was desperate, a mysterious commission came to his door. The missing person is a young scholar who disappeared mysteriously in the remote Huai Town. There have been frequent disappearances in Huai Town over the years, and they are all related to historical research. There seems to be an ulterior secret hidden behind it.
He stepped into this foggy town with doubts. The bluestone roads, ancient locust trees, and dead ancestral halls were all strange. As the investigation deepens, he finds that he is step by step involved in a dark vortex: the secret history of tomb robberies before liberation, clues from destroyed ancient books and cultural relics, forbidden legends about the night of the full moon... Each clue points to a deeper mystery, and can he uncover the truth, save the missing, and escape from this deadly abyss at the same time?
