Oh Sehun is a healthy man.But it was a year ago..Now he is 21 years old and he have leukemia.Then,there's girl named Jung Sooyeon,Oh Sehun's personal doctor for a years.How love flow between the doctor and the patient?   Sehun- Sehun is a man with kind heart..but he had leukemia a year ago..When he know he had leukemia,he lost hope and he fear about everything in the world..One day,his life change when he met Jung Sooyeon...   Jung Sooyeon- Jung