在这部鬼计双雄动作片中,星州探员龙健天在日渡假，忽接急电获悉经营小店之老父遭人杀害。遗物中有录音带一盒，乃亡父预先录下的遗言，说生前曾与陈、 张两友合作走私贩毒。龙出世后，其母劝父改邪归正，但為陈所迫，无法脱离贩毒集团。龙长大，父暗充线人，供龙情报。龙向张求助，张告以欲得杀害其父之主谋，必须先赴香港，找已化名為王大雄之杀父仇人……
Detective Lung is investigating the murder of his father and discovers his father belonged to a syndicate of smugglers. He finds out the murderer used to be his father's business partner and that he's now living in Hong Kong under a new name (Wang). Lung tries to lure Wang to Bali where he hopes to get his revenge.
