A bizarre disappearance broke the tranquility of Yunxi Village, a remote mountain village. Jiang Tingyun, a former criminal investigation expert who came to relax, wanted to escape from the past, but was forced to get involved in the puzzle. Meeting Shen Qingzhi, a country doctor who also hides a secret, the two of them uncovered layers of disguises in a seemingly simple village. Midnight singing in the ancestral hall, secret passages in wells, ghost fires in the mountains... Every clue points to a deeper darkness. This is not a simple disappearance, but a conspiracy that has been carefully woven for decades. They must find out the truth buried by time amidst the villagers' secrecy and numerous murderous intentions.
