The story takes place in the Affiliated Hospital of Jinjiang Medical University, where Shen He (played by Luo Yunxi) is a pediatric surgeon who works. With his handsome appearance and superb medical skills, he is trusted by patients and leaders. Everyone thinks he will be the successor to the head of the department. Shen He's wife Tang Yujia (played by Sun Yi) is also a doctor, and she is currently rotating in pediatrics for a year. Tang Yujia's dream is not in pediatrics, she hopes to become an excellent surgeon. Tang Yujia's days in pediatrics are not easy, because she has a very strict master Ye Mei (played by Zeng Li), and she is under tremendous pressure. In fact, Ye Mei's first love Chu Zijian (played by Ling Xiaosu) also works in pediatrics and is the head of pediatrics. However, although Chu Zijian is thriving in the workplace, he has encountered a serious family crisis.