Bai Zong Yi, a young man who aspires to be a doctor, is forced to take the injured gangster, Fan Ze Rui to his own house and take care of the latter. As time goes by, the two get familiar and fall in love with each other. However, because of a gangster fight, Zong Yi takes the rap for Ze Rui and ends up in jail. The two are so torn apart, their friends, Eddie and Chen Yi also go their separate ways. Four years later, fate reunites the four of them again. They have to face past mistake and regret to get their happiness back.