Ge Ying and Qiao Jiao's lives were switched by Qiao Wang. Ge Ying was raised by her adoptive mother, Ge Xiufang, who is mentally disabled. The two depended on each other and lived together through thick and thin, while Qiao Jiao grew up surrounded by Bai Ting's devoted care. More than ten years later, the four women and men crossed paths. When Qiao Jiao discovered that Ge Ying was Bai Ting's biological daughter, she secretly devised a scheme, turning Bai Ting's love for her into a sharp sword and mercilessly stabbing Ge Ying with it...