Xu Nian, traumatized by her mother's death, pretends to be mute while secretly seeking the truth. Her father remarries, subjecting her to mistreatment by her stepmother and stepsister. Gu Mingyan, a CEO with childhood traumas, suspects a conspiracy involving the Xu family. He manipulates Xu Nian into a marriage contract, unaware she's a skilled manipulator. They start deceiving each other but eventually fall in love. As they uncover the true mastermind, their relationship's future becomes uncertain.