剧情介绍：　　Inthenearfuture,alienshaveinvadedEarthanddeclaredagalacticwarresultinginthousandsofhumancasualties.TosaveEarth,ateamoffourteenageastronautsbravethealienwildernessofadistantplanettostopanassassinfromchangingthecourseofhistoryforeverbbb