Agent Yu Shanqing traveled through time to become the foolish legitimate daughter of Duke Wu of the Eastern Chu Dynasty, and was accidentally bound to the portable medical space system. She relied on modern medical skills to complete the heart-changing surgery for the prince and remove the life-threatening poison for King Nalanjin, and thus became involved in the turbulent imperial power dispute. She and Nalan Jin went from tit-for-tat to mutual bond. They teamed up with their father and brother to fight against Queen Chi and the Qin family's forces. They even joined hands with the Zuidie Valley masters and apprentices to build a medical clinic, and gradually gained a foothold amidst the many crises in the court and harem.
