On the night of Shangyuan in the prosperous Jinling, Su Wanqing's two daughters were accidentally separated, and their fates diverged from then on. Su Yao, who was carefully raised by Su Wanqing, was outstanding in talent and became a female official in the palace; A Nian, who was adopted by a peasant woman, had a tough character and became a bodyguard of the general's palace because she rescued the villagers and became friends with the prince Xiao Yi. In their respective life trajectories, the two discovered the conspiracy of the Wu tribe in southern Xinjiang to overthrow the imperial court. After accidentally meeting each other, the sisters joined hands and combined forces to crush the Wu tribe's plan. Not only did they reveal the truth, but they also gained their own love. In the end, the family reunited and lived a stable life.