The film revolves around two rebellious high school students and brothers Paul (Andy Lau) and Dee (Jeem Yim), and Paul's relationship with Sze (Prudence Liew), a Vietnamese refuge. Paul and Dee's father (Elliot Ngok) is a prison officer who is very strict to his sons. When Officer Chan, who is divorced, decides to marry a younger woman (Winnie Chin), his two sons become more rebellious, leading them to a path of destruction.