At the scene of the series of murders, none of the mirrors reflected the reflection of the deceased. Jiang Jian was forced to face the investigation of his illness and discovered that the murderer could "travel" and "tamper with reality" through the mirror. Even more horrifyingly, his own reflection begins to lag and make independent warning gestures to him in the mirror. The world is being slowly eroded and replaced by the "reverse city" in the mirror.
