To raise the surgical fee for his mother, Gu Yan participates in the Qin family's public matchmaking for a husband, and is chosen by female CEO Qin Zhaoyue. To fulfill the inheritance condition left by her grandfather, Qin Zhaoyue signs a one-year marriage agreement with Gu Yan, and the two agree to separate when it expires. But during their time together, Qin Zhaoyue backs Gu Yan up time and time again, and Gu Yan slowly walks into her heart which has been closed for many years, also clearing his past scientific research grievances and regaining his career and dignity. When the one-year term expires, Gu Yan can leave freely, but Qin Zhaoyue chooses to make the initiative to keep him for the first time; the contract expires, but true feelings do not scatter.