[Suspense, reasoning, multiple small cases, two male protagonists] Bai Qie Hei bt has a secret love in the second year and is miserable and unlucky in the first year. The next year: "Senior, I want to know about the case four years ago." The first year "Is this the chance for me to clear my grievances?" A love story that revolves around a murder case four years ago. There won't be many emotional lines in the early stage, but they will increase later when the case comes to light.
