Transmigrated Li Qing possesses special skills, enters the palace by chance to treat Empress Ma, and thus gets embroiled in the court political turmoil of the Hongwu era. Serving as a Brocade Guard, he navigates between the emperor, the crown prince, and various factions, personally experiencing multiple major cases and repeatedly weighing between legal principle and human sentiment. On one hand, he must do his utmost to heal the empress to preserve himself; on the other hand, he deals with open and hidden arrows in officialdom, struggling to survive amidst the treacherous Ming palace court.