Lu Wan Ning grew up in the countryside with her master. As an adult, she marries the disabled, bankrupt Fu Huaizhi in order to obtain a letter from her late mother and uncover the truth behind her death. However, Lin Ruo discovers a secret about how Lu Wan Ning and Fu Huaizhi knew each other in the past and impersonates her. On the surface, Fu Huaizhi appears to be disabled and bankrupt, but in reality, he is immensely wealthy. He hides his true identity to identify the traitors within his family. Lu Wan Ning and Fu Huaizhi enter into a contractual marriage, slowly revealing the shocking truth and exposing the true faces of the antagonists. As their relationship grows, they uncover the identity of the family traitor, Fu Jingshi, and the hypocritical nature of Lin Ruo.