In her previous life, Xu Wan, the legitimate daughter of the Duke Dingguo's household, was framed by her younger half-sister, the man she loved most, and her cousin. Her family was destroyed, and she was imprisoned. Only her sworn enemy, Xie Nancheng, died a tragic death trying to save her. Reborn, she returns to the moment she fell into the water three years earlier, carrying an overwhelming hatred as she methodically seeks revenge, exposes schemes, punishes evildoers, and uncovers a rebel conspiracy. At a time of peril, Xie Nancheng reveals his sincere and profound love and stands beside her to restore peace. The two marry by imperial decree, and surrounded by his boundless devotion, she lets go of the past. Together, they eliminate their enemies and spend the rest of their lives in happiness.