Gu Pianran becomes pregnant after a one-night stand with Fu Hanzhou. During childbirth, she suffers from severe blood loss and loses her memory. Her sister sends the baby to an orphanage to protect Gu Pianran's reputation. Fu Hanzhou, whose grandfather is critically ill, adopts a child from the orphanage. To meet family demands, he is required to find a mother for the child, and he ends up selecting Gu Pianran. The two sign a contract marriage due to their respective needs. During their time together, Fu Hanzhou discovers that the child is his biological son and gradually develops feelings for Gu Pianran. As their relationship grows, Fu Hanzhou misunderstands that Gu Pianran had a child before. Eventually, the misunderstanding is cleared up, and he realizes that Gu Pianran is the woman from that night. After recovering her memory, the two finally end up together.