
Gu Yeqiu, the daughter of an army general, in order to protect the younger brother, disguised herself as a man to fight on the battlefield, and became a general to protect the country. After returning to Beijing, her mother forced her to change her identity with her younger brother, and even plotted to murder her. In order to ensure the happiness of her younger brother and the princess, she married a member of the royal family under her true identity and gradually fell in love with Emperor Jing.