Five young hoodlums sing karaoke, murder, joke around, get beaten up, win and lose women, and learn the value of blind loyalty.
A wild young woman drives the mysterious Cheng into the kidnapping of a wealthy businessman. The passion between the two lovers escalates in tandem with the violence around them, as events take their own inexorable course.
Hui (Simon Yam) is in love with the terminally ill Yue (Gigi Lai) and volunteers to get rid of his rival, Tung (Stephen Ma), in order to raise money for Yue's operation.