The Code of Clearing Wrongs: Bone Whispers from Wuzhou River

On a rainy night, a woman's corpse surfaces in the Wu Zhou River. Song Yan, the chief forensic examiner, finds a knot on the victim's wrist that matches a diagram in The Washing Away of Wrongs exactly. This is no ordinary murder case, but a challenge issued by the killer to the Song family, a dynasty of forensic examiners.

As a string of murders escalates, Song Yan is forced to open the family's forbidden chamber. There, he discovers case files from the late Qing dynasty left behind by his grandfather. In an 1895 case involving a merchant who supposedly “drowned,” his great-grandfather hid a message in blood in the autopsy report: “The Water God demands lives; this was really a silencing.”

A bloodstained code, woven between the present and the past, gradually comes to light. Song Yan must race against the killer while facing death threats from the family council. But when he opens his grandfather's coffin on a stormy night, he discovers a pattern carved into its base, identical to the scar on the web of his own thumb…