Wu Ling, a medical girl, carries a blood feud. She uses her medical skills as a blade and herself as a chess piece. In the capital city surrounded by powerful people, she works step by step to drag her enemies into hell one by one. She and Pei Zhiheng, the commander of the Palace Front Division, who was also in shackles and seeking the skin of a tiger, met each other's enemies in the process of testing, guarding and pulling, and finally became each other's only conspiracy and way back.
