奸相秦权(谷峰 饰)身患恶疽，危在旦夕，指使首席护卫司马骏(罗烈饰)往药师处取长生藤治疾。药师知是秦权要用，坚决不予，司马骏无奈将药师杀害，掠走其藏有长生藤之宝盒。司马骏师弟铁二郎(刘永饰)出于义愤，伺机将长生藤盗去，司马骏愤然将铁母杀害，仍无法搜到长生藤。二郎见母遇害，悲恸欲绝，联合药师之女谈丽(燕南希饰)，与司马骏展开殊死之战。
What begins as a peaceful venture into civilian life for a pair of military vets, quickly devolves into chaos when a nuclear crisis brings danger to their doorstep, igniting an unexpected alliance with a potential enemy, as they struggle to protect their team and overcome the shadows of their past in a lawless new world.
A cataclysmic event serves as the backdrop for a passionate affair between two individuals torn between desire and the constraints of their circumstances.
