Jiang Jinyue, the chief widow of the Zhaojing Dynasty, investigates the case of the Bone Bride, but discovers the deadly secret of Jiangnan silk merchant Pei Zhaoyuan. Xipa hid the forbidden music of the former dynasty, and the spell of human blood was revealed in the steamed bones. She held the relics of his father's generation that he had secretly hidden and pressed forward step by step. He held her wrist holding the knife and fed her sweets with a smile. When the living lightship illuminated the altar of the imperial mausoleum, twenty years of purgatory blood feud turned into entangled body heat - the sharpest autopsy knife in the world finally cut open his heart soaked in intrigue.