Resident doctor Park Siwen (Zhu Yuan) lived with domestic violence in his childhood and suffered from autism and developmental disorders. However, he later became the most skilled pediatrician at Sungwon University in South Korea with his superhuman human space perception and memory. He has always liked the beautiful and witty female doctor Cha Yunshu (Wen Caiyuan), but he has been secretly in love with her for many years and has never confessed his love. Associate professor of pediatric surgery Jin Daohan (Zhu Xiangyu) is the youngest to obtain qualification certification. He is excellent in medical skills and does not allow undergraduate doctors to make any mistakes. Even if the other party is a respected predecessor, he treats them equally. In the face of many inducements, he is unwilling to leave the pediatrics department in a bad environment, because he has a childhood pain that will never be erased in his heart. Planning director Yu Caijing (Kim Minrui) is a returnee from Stanford University. She seems fearless, but she has the painful memory of her mother's death and her father's remarriage in her heart...