During the investigation, the careful and bold Lu Yu and the funny and naive Zhang Liu discovered that the murderers in all cases were family members of the former victims. Will this be an "Avengers"? Or is there a bigger conspiracy behind the scenes? At the same time, both of them discovered the ulterior secrets and the deepest fears behind both parties, and what is the connection between the murderer's motive and the secrets behind them...
Concept: Suspense, Detective, Reasoning, Danmei