In the sultry summer, the female Taoist priest Tang Youyou of Qingxuan Temple, the policeman Lin Yu who was born with yin and yang eyes, and the forensic doctor Su Ran reunited because of the case of the red doll in Laofang. The puppet possesses the witchcraft of "raising a resentful spouse", and its resentment is directed at an unsolved case twenty years ago. The three of them joined forces to investigate, from an abandoned factory to the dusty past, and uncovered a conspiracy spanning twenty years between supernatural phenomena and solving crimes.
