On her wedding day, Pei Wanning, the legitimate daughter of a great general's household, sees through the vicious scheme of Gu Qingyao, Prince Rui's favored concubine, who deliberately rides a horse into the wedding procession to cause chaos. Having prepared her guards in advance, Wanning protects herself from harm. When Prince Rui blindly takes his concubine's side and unfairly reprimands her, Wanning stands her ground and argues her case with dignity. After seeing his cold and heartless nature clearly, she decisively breaks off their engagement. In the end, she finds love and companionship with Xie Yuanzhou, an upright and valiant cavalry general, and together they head to the borderlands to begin a new life of freedom and hope. Those who committed evil deeds ultimately suffer the consequences of their own actions.