Faced with the trauma of a brutal assault, young chemistry prodigy Sarah Mathis, grows desperate to expedite her healing process and agrees to the use of an unusual method of therapy that involves the latest form of artificial intelligence, Raptus.
林子俊（万梓良）与妻子阿MAY（杨宝玲）本过著幸福甜蜜的生活，但因一次目击港、泰毒贩仇杀事件，惨遭灭口，子俊悲愤欲绝，誓要追查真凶报仇。子俊在好友楚留华（黎明）帮助下，查出事件与泰国毒贩头子金老大有关，子俊与留华在另一好友雷森（杜德伟）帮助下，决赴泰国追查真相。俊、华二人在泰国得到一直暗恋子俊德JENNY（陈雅伦）帮助，终于找到金老大，子俊感势单力弱，未能对付金老大，遂 设计使金老大与香港黑帮头子苏棠起冲突，欲借苏棠之势力杀金老大，谁料反被金老大之助手罗阿勇（吴镇宇）利用作为夺位之工具，留华因而惨死…
