Working around the clock at Asan Medical Center in Seoul, Myoui Mina, the epiphany of success. Having graduated at the age of 21 with a D.O in Cardiology, a masters and bachelors, what more could she want? Hwang Y/n, a student who just wishes to be 'normal', running around with her friends or stressing over upcoming exams, she just wants to be like everyone else. She is like 'everyone else' except for her most recent relapse due to her impending heart condition, spontaneous coronary artery dissection. The root and evil of all her problems...