Qin Yue served a three-year prison sentence for someone else. On the day he was released, he learned that the conclusion declaring his wife Wen Zhi dead of illness had been falsified. The surgical number on her wrist and a hospital director’s seal led him to the Ninth Hospital, a place that didn’t exist on any map. From then on, he saved lives while investigating his late wife’s case, dragging the illegal medical network and the powerful figures protecting it onto the operating table one by one.