Every midnight, the city is enveloped in thick darkness, and evil quietly breeds at this time. A bizarre murder occurred in a well-known art museum. When the crime occurred, the surveillance footage was strangely interrupted. At midnight, a mysterious call broke the dead silence. Unexplained whispers came from the other end of the phone, followed by endless silence.
Detective Chen Yu took over the case, but found that the clues were like a fog, and every trace led to a dead end. Just when he fell into despair, a mysterious person anonymously sent key clues. But as the investigation deepened, his colleagues and friends seemed to be hiding unknown secrets. Behind every seemingly ordinary detail, there might be a shocking truth. And is the mysterious call at zero o'clock a provocation from the murderer, or is it the key to solving the case?
