Su Qingyan, an ordinary ophthalmologist, was forced to sign a contract marriage with Lu Zhiyan, a powerful businessman, in order to help her family repay a huge debt. She thought it was just a transaction where each got what he wanted, but during the days when they lived together, he fell into misunderstandings with the male protagonist and the male protagonist's childhood sweetheart Jiang Ruoxi's malicious calculations. The protection of her gentle senior brother Wen Jingran became a ray of light in her dark life. Lu Zhiyan, who seemed cold and unfeeling, had actually fallen in love with her at first sight when he was young. This marriage was his long-planned approach.
In conflicts, temptations and crises, Su Qingyan relied on her tenacity and professionalism to resolve difficulties time and time again, and gradually saw Lu Zhiyan's hidden deep feelings, and at the same time recognized her own heart; Lu Zhiyan also learned to let go of paranoia and pretense and bravely express love in the midst of loss and regret. The two teamed up to break class barriers, defeat the villain's plot, and resolve all misunderstandings. In the end, they moved from a cold contract marriage to a perfect love that goes both ways. Su Qingyan also realized the dual growth of career and self, and gained her own happiness.