The Taoist priest's family was wiped out by the evil spirit of the underworld. Chen Jiuyuan carried a mahogany sword and entered the underworld, just to regain the stolen Yang Shou. The half-ghost judge Su Wanyue secretly leads the way. The old blind man's lifeline diagram, the bone news of the iron-throated ghost, Liu Ruyan's life contract, and the silence of the seven-inch boy are all bloody roads leading to the truth. He doesn't want revenge, he wants to burn this man-eating Yincao - when Yangshou can be bought and sold, human life is just a dot on the ledger.
