In an abandoned factory on a rainy night, a corpse that was accurately dismembered revealed a serial murder case that had been covered in dust for ten years. Lin Mo, the newly promoted criminal police captain, after taking over this seemingly clueless case, found that all the clues pointed to an old case that was classified as an "accidental death" many years ago. As the investigation deepens, people around him are put into danger one after another. Every clue is like a carefully laid trap, and every time he gets closer to the truth is accompanied by a fatal threat. When he finally tore through the murderer's carefully woven disguise, he found that he had already become a part of this terrifying game...
