Fashion designer Shen Nan hid the fact that she was pregnant because her boyfriend Jiang Yicheng said he "didn't want children" and raised his son Xiaobao alone for four years. Due to work cooperation, they reunited with Jiang Yicheng, who had become the president of a construction company. Xiaobao's unexpected illness prompted the father and son to meet. After Jiang Yicheng discovered the truth, he moved Shen Nan with his patience and sincerity, and gradually integrated into Xiaobao's life. In the end, the misunderstanding was solved, the two reconciled and got married, and welcomed their daughter Xiaoxing, forming a happy family of four.