On her wedding night, Princess Commandery Cui Nanyin is abandoned by her husband, Shen Yan, who insists on marrying Lin Rushuang, a singing girl. Unable to endure the humiliation, Cui Nanyin publicly breaks off the engagement and returns to the Duke of Zhenguo's General's residence. Supported by the imperial family and her father's former military subordinates, she rebuilds her family and restores its former glory. After Shen Yan gets his wish and marries Lin Rushuang, constant infighting erupts within his household, especially between Lin Rushuang and his cousin Shen Wanwan, eventually leading to disaster and the complete downfall of the Shen family. Filled with regret, Shen Yan travels to the borderlands to beg Cui Nanyin to reconcile. But she has already established schools and distinguished herself through her achievements at the frontier, living an independent and fulfilling life.