The story revolves around a serial murder case. During the investigation, female forensic doctor Lin Xia and criminal police captain Cheng Ye gradually discovered a larger conspiracy hidden behind the case. Lin Xia's professionalism and Cheng Ye's persistent pursuit make the two become tacit partners, but as the investigation deepens, their respective secrets gradually surface. The clues in the case are complicated, the murderer seems to be around, but the truth is far darker than they imagined.
Intention: to face all difficulties and win all difficulties