Park Shi-on, a resident doctor who grew up in a life full of domestic violence in her childhood, suffers from severe autism and developmental disabilities at the same time due to the influence of her family . But he was not discouraged. After a long time of overcoming, he had a superhuman ability to perceive human space and a very strong memory. It didn't take long for him to become the most skilled pediatrician at a member university in Korea. His mother was very proud and happy for him. But what everyone doesn't know is that he has always been secretly in love with the beautiful and witty female doctor Cha Yunshu. He never thought of confessing from the beginning to the end. In addition, Associate Professor of Pediatric Surgery, Jin Daohan, is recognized as the youngest person in the hospital who has obtained qualifications. He has a very weird temper, but he does not allow other undergraduates to make mistakes, even if he is a highly respected doctor. He also treats his predecessors in the same way. In the face of many temptations, can he stick to his true heart..