They experience life and death as they race against time to save patients. In their quest to become physicians, have they ever stopped to think about what their mission and limitations are? Neurosurgery trainee Cheung Yat-kin does not have time for love – he has to work hard to support his younger brother, who is paralyzed from the waist down, to study overseas. His life is his work, until he meets Fan Tze-yu, who is also a reputable doctor and whose father is a well-known physician. Deeply attracted to Yat-kin’s talent and personality, Tze-yu is not hesitant to express her love for him from the start. But before Yat-kin can make up his mind on whether to accept her, the news of his younger brother’s death comes, causing him to become a totally different person.