Shen Ye, a top criminal psychologist, is consumed by guilt over his younger sister's mysterious disappearance ten years ago. The cold case has become his whole life and made him a special consultant to the police. When a city is gripped by a string of murders marked by chilling methods and elaborate rituals, Shen Ye uses his remarkable powers of observation to sketch a profile of the killer first.
Just as he thinks he is about to uncover the truth, he discovers that every clue points to the least likely suspect: himself. Faced with overwhelming evidence, Shen Ye's world collapses. He goes on the run, vowing to catch the real culprit who framed him. But as the investigation deepens, he is horrified to discover that the truth is far more complicated than simply being framed. It seems another self lies dormant within him, a consciousness completely unlike his own, yet just as powerful. The real battle has only just begun...
