Chen Mo, a modern forensic doctor, accidentally traveled to Bianjing in the Northern Song Dynasty and became the unlucky coworker Shen Yan who was dismissed for "dereliction of duty". Before the stinking morgue could get used to it, a shocking case exploded throughout the city: in just a short period of time, nine male victims of different origins and miserable deaths appeared one after another! The government hastily concluded that the "serial beheading maniac" was responsible, which shocked both the government and the public, and made people panic.
Shen Yan, who was in a desperate situation, relied on his miraculous ability to identify bones that transcended the times, but he saw completely different death codes from the nine skulls - the direction of the knife marks, the bone wear, the trace residue... **This is definitely not the work of the same murderer! ** Is it a water transport vendetta? Steal money and silence? The secret behind the imperial examination? Or is it just taking advantage of the opportunity to cover up the filthiness?
Under the reputation of being a "mad man", Shen Yan was forced to investigate the case. Unsophisticated, he could only hold the dead bones tightly in his hands and use the "Secret Art of Bone Physiology" as a blade to peel off the cocoons under the shadow of the prosperity of Bianjing. He wanted to expose this huge lie that was woven by a combination of circumstances and let the nine wronged heads tell the dust-laden truth. The mystery of Bianliang, the Nine Skulls, and a storm of vindication that subverts cognition are set off!
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