Every night at midnight, the city is wrapped in thick darkness, and crime quietly takes root. A renowned art museum becomes the scene of a bizarre murder, and the security footage mysteriously cuts out at the time of the crime. At midnight, a mysterious phone call breaks the silence. An unintelligible whisper comes from the other end, followed by endless silence.
Detective Chen Yu takes the case, only to find that the clues are shrouded in mist and every lead ends in a dead end. Just as he is about to lose hope, a mysterious person anonymously sends him a crucial clue. But as the investigation deepens, the colleagues and friends around him all seem to be hiding secrets. Behind every seemingly ordinary detail may lie a shocking truth. Is the mysterious midnight call a taunt from the killer, or the key to solving the case?
