Jiang Bai He (Zhao Li Ying) and Li Ming Lang (Hawick Lau) are about to get engaged. With both as heirs to companies, the circumstances change for this perfect union when a big fire occurs. Bai He loses her loved ones, and the company also suffers losses. Li Ming Lang’s mother, Liu Su Fang, wants to call off the engagement, but Ming Lang can’t do it and brings Bai He home instead. Su Fang’s cold attitude catches the eye of Ming Lang’s secretary Ning Xia (Wang Zhi), who’s always harbored feelings for Ming Lang, and she decides to use this chance to fight for her happiness. However, Ming Lang and Bai He’s feelings only grow stronger over time, and Bai He gradually recovers with Ming Lang’s help. A Wife’s Secret is about the reality of schemes and love, and touches on the current topics of a third party and disputes between the mother and daughter-in-law. Zhao Li Ying plays the innocent and kind Jiang Bai He, who although is the wife of someone wealthy, is not domineering, but rather, has always been very accommodating towards her husband. But for all her quiet sacrifices, she is picked on constantly by her mother-in-law, which eventually leads to her divorce. For her daughter Li Ke’er, Bai He decides to pull herself together and moves to the mountains. Relying on each other and going through hardships, they both grow and mature together.