the play tells the story of years of war. su fengzhi (played by fang jin), the legitimate daughter of tiansheng's general, has a prominent family background. but overnight, her father was accused of treason, and her sister, who was married into the ninth prince's mansion and was pregnant, died mysteriously, and the su family was executed. su fengzhi escaped by chance and later changed his appearance and became the "blind girl" piano player su