The play tells the story of Su Fengzhi (Fang Jin) who was in war for many years.(played by a prominent family background), but overnight, his father was falsely accused of treason, and his sister, who married into the ninth prince's mansion and was pregnant, died mysteriously, and the Su family was killed.

Su Fengzhi escaped by chance, and later changed his appearance to become a “ blind female ” piano player Su Jin, who was a stagnant princess (Yu Yilei)Played by) introduced to the Ninth Prince's Mansion, approaching his former brother-in-law Jian Shiliu (played by Li Daikun), and wanted to find out the truth about his sister's death and his father's treason, while his gentle brother Su Linfeng (prince)milletIt seems that there is a huge secret hidden...