Kang Su Jin (Myung Ji Yeon) is a veteran nurse in the hospital. She continues to be haunted by an accident that happened ten years ago in the operating room. She wants a fresh new start with chief doctor Jang Seo Won, but all he seems to care about is the hospital's only patient, So Hee. Su Jin tries to find this patient, and learn why she's stealing so much of her boyfriend's time.