Shen Zhiyi, a talented doctor who was demoted to a clinic on the southwest frontier, shocked the government and the public by saving the head of state who was on the verge of heart failure with a single injection. Inspector Huo Jin was ordered to investigate whether she was involved in a medical scandal, but after witnessing her reversing her fate with an ancestral golden needle, her faith collapsed. Lin Xiu's undercover identity is exposed, Chen Huaizhou's recording is about to be made public, and the lifeblood of the child Xiaoman is being quietly harvested by the international consortium Pei Zhao. A life-and-death game with needles as blades and lives as chess spreads from under the oil lamp of Yunxi Clinic to the center of power.
