Five years ago, a tear in the fabric of reality brought creatures to our world from an alternate dimension bent on our destruction. A father hides his daughter on an island to keep her safe while he prepares her for survival and the battles to come. But when the world is about to break, no place is safe.。孤儿杜文明偶然间被神秘人物告知必须杀死六名外星人后才可以揭开自己身世真相。便与好友梦琪深入外星人领地,执行任务中结识貌美性感的女外星人林静竹,坠入爱河。在梦琪的帮助下,杜文明几经周折杀死了三名邪恶的外星人,梦琪却为了搭救杜文明而失去了生命。悲痛之余,杜文明不得不独自继续更加凶险的屠龙之旅。。中央情报局密码专家Charlie Heller的妻子在伦敦一场恐怖袭击中丧生,他要求上司追捕凶手,但由于利益冲突无法成行,于是他胁迫该机构训练他本人,自己展开行动。。