The sound of sobbing copper bells came from the ancient house late at night, the corpse on the autopsy table suddenly opened its eyes and smiled, and a faceless man in a wedding dress flashed on the surveillance screen... Eighteen unsolved murder files connected a bloody mystery that spanned twenty years. After criminal investigation genius Lu Zhao took over the case, he found that every clue pointed to him. As he gets closer to the truth, the reflection in the mirror actually coincides with the suspect in the file - is this pursuit to find the murderer, or is someone trying to lure him into the game? And behind the so-called "truth" lies the abyss of human nature that is more terrifying than death.