[Mystery + deduction + mind-bending] Recently, a shocking and vicious crime took place in Anjiang City. The victim’s face had been destroyed, and their hands and feet were missing... By chance, Lin Yu, captain of the criminal investigation team, met Chi Xun, a young psychologist, while investigating the case. Together, they sifted through a tangled web of clues to uncover the truth, only to discover that this case was inextricably linked to an unsolved case from twelve years ago. The case was bizarre and full of twists, and the suspects were exceptionally elusive. Bloody handprints on a windowsill at midnight, a knife-wielding man in a dark stairwell, dogs barking in the dead of night... Every new clue brought an unexpected twist. Just as the two believed the case was about to be solved and the killer would soon be caught, the killer died under mysterious circumstances. Little did they know, they had fallen into a vast conspiracy... And the only clue was that cruel name...