A down-and-out "returnee" detective who is afraid of ghosts but has an incredible IQ, meets a glamorous landlord who has MAX force and regards rent as his life, plus a gossipy and well-informed newspaper reporter who is afraid of death, forming the most "unreliable" crime-solving trio in Shanghai. Starting from a "nightclub pianist's evaporation case from a secret room", they were forced to get involved in a series of bizarre and unsolved cases: an antique vase that could write its own blood letter, a tram that disappeared in front of everyone, a "ghost" who stole rich wives' wigs, and a "hiccup curse" that caused insomnia in the entire concession... While making jokes and helping each other, they peeled off cocoons and solved strange cases. In the midst of laughter and thrills, we reveal the strangeness and warmth of human relationships behind the prosperous Shanghai Beach, and we also want to uncover the mysterious "lead man" who is hidden behind a lot of fog and controls everything.