With hands stained by sin, Shen Xiao writes one seemingly flawless closing report after another. When idealistic newcomer Lin Ye joins the Major Crimes Unit and relentlessly presses for the truth, Shen Xiao's lies begin to crumble. Zhou Huai from the archives hands over half a page from an old file, forensic pathologist Su Ling conceals fatal autopsy data, and Ma Qi's phone holds images of a corpse erased ten years ago. The name missing from the report is where all the deaths began.