When inexplicable nocturnal murders occur frequently on the edge of the city and strange disappearances spread throughout the streets, Xie Zhen, a detective who is accustomed to ridiculing strange cases, and his group of partners with different personalities are involved in a series of "thriller games" involving urban legends, cold case resurrections, and supernatural powers. Seemingly unrelated trivial events gradually connect together. During the pursuit, he not only has to face late-night sightings and bizarre deaths suspected of being haunted by ghosts, but also has to deal with misunderstandings from the police and media tracking. In the humorous, acerbic and exciting rhythm, the protagonists uncover the clues and discover that there are people behind the case, and some dusty tragedies that have happened in the past are quietly resurrecting. As the secrets of the deceased gradually emerged, Xie Zhen had to face his childhood fears and fate, and finally led the team to uncover the ultimate truth behind the late night in the city.
