The Marquis's household finally finds Shen Qihe, their true daughter who disappeared many years ago, but she has no taste for the restrictions of a noblewoman's life. The household's adopted daughter, who has taken her place, often invokes karmic retribution to persuade her to endure things quietly. Just as the Crown Prince falls into danger, an imperial decree arrives, and a sudden crisis threatens the entire Marquis's household. To protect her family and her younger legitimate sister, Shen Qihe refuses to yield any longer. Relying on her courage and resourcefulness, she challenges imperial authority. She has no faith in hypocrisy and empty pleasantries, believing only in striking first to gain the upper hand. Step by step, she tears through layers of intrigue, stirs up turmoil at court, and ultimately ventures into the martial world with her younger sister, swords in hand.