身罹绝症的吴领弟，与年幼弟妹相依为命，与恶男钟无二同居于一单位内，二人经常发生冲突，无二干着买卖贼赃的生活，其女友常协助他收藏赃物。领弟为安顿弟妹日后的生活，甘愿嫁与金山伯作填房，无二洞悉一切后，激发起内心的怜悯，决意使她在有生之日获得快乐，并答应照顾其弟妹。在床头金尽时，无二挺而走险再干非法勾当，却遭警方埋伏更被匪帮误为出卖者，誓要报仇，在无二往见领弟最后一面后，遭人伏击，究竟无二命运如何呢？

Lindy Ng (Joan Chen) and her younger brother and sister eke out an impoverished life together, living in a rundown apartment. When Lindy is diagnosed with terminal leukemia, her first thoughts are her siblings. Who will take care of them after she passes away? With her apartment too dangerous to continue living in, Lindy is forced to move to another location where she encounters the worst of flatmates, hot-tempered petty criminal Morrie (Frankie Chan).