On the Lantern Festival night in bustling Jinling, Su Wanqing’s two daughters are accidentally separated, and their paths in life diverge. Su Yao, raised with great care by Su Wanqing, excels in learning and talent and becomes a female official in the palace. A Nian, adopted by a peasant woman, is strong-willed. After helping villagers, she forms a bond with Crown Prince Xiao Yi and becomes a guard in the General’s manor. As they follow their separate paths, both discover the Southern Frontier Wu Clan’s plot to overthrow the court. After unexpectedly recognizing each other, the sisters join forces and rally allies to foil the clan’s plans. They not only expose the truth but also find love, and in the end, their family reunites and lives in peace.