At the public occasion of Jiang Qiao and Pei Yunxiao's engagement ceremony, Jiang Qiao accidentally witnesses Pei Yunxiao having intimate contact with someone else. She can't accept this and their relationship breaks down. Just when Jiang Qiao is worried about how to handle the breakup with Pei Yunxiao properly, Pei Zhihe proposes a contract marriage. Later, Jiang Qiao and Pei Zhihe start living together. In their interaction, love arises only after marriage between them. They begin a sweet life full of daily interactions. Although there is a seven-year age difference between them, this will not be an obstacle to the development of their feelings.