不同寻常的攻击席卷整个美国——二战老兵被残忍的猎杀。当调查发现事件的幕后真凶是不死纳粹僵尸三人组后，神秘先锋成员，特工Conda出马从既定的劫数中拯救剩余的老兵。
When an alien hunter arrives on post-apocalypse Earth, it takes down a gang of warlords and unexpectedly becomes a folk hero to the oppressed locals. Now with their support, the alien sets its sights on the warlords' ruthless leader.
