Jiang Jiu, the "mute girl" who was abused in the Jiang family since childhood, is actually a hidden avenger. To investigate the truth behind her mother's death, she pretended to be weak. After her sister Jiang Nana refused to marry Mr. Shi, she voluntarily took her place in the marriage, but then planned to elope on the wedding day and met Li Jingxiu, who seemed to be a playboy but actually had hidden depths. The two reached a cooperation, and Jiang Jiu, with the help of Li Jingxiu, gradually took revenge on the Jiang family, exposed the affair between stepmother Shen Meng and Uncle Li Jingxiu Li Xing, and brought Jiang Nana to ruin. Meanwhile, she gradually took control of the Jiang family company and uncovered the hypocrisy of her father Jiang Zhenguo. With the assistance of Jiang Jiu, Li Jingxiu also managed to uncover the truth that her parents were killed by Li Xing. The two joined hands to set up a scheme, and finally brought Li Xing to justice. Jiang Jiu avenged his great hatred, became the true master of the Jiang family, and also developed from a mutually beneficial cooperation with Li Jingxiu to a sincere love, embarking on a new life together.
