The story revolves around private detective Yu Ji, who forms an unofficial detective team with criminal police captain Qin Lang, forensic doctor Zhou Ya and others to jointly solve a series of bizarre cases. Every case hides the darkness of human nature and the shadow of society. In the process of pursuing the truth, Yu Ji not only has to face the cunning murderer, but also faces her own inner fear and trauma. As the case progresses, Yu Ji gradually discovers that there is a certain connection between these cases, and there is a larger conspiracy hidden behind it. She must unravel the mystery to find the real answers and ultimately achieve her own redemption.
