在一次毁灭性的地面入侵之后，一小群城镇居民不得不联合起来。在他们挣扎求生的过程中，他们意识到必须比袭击者领先一步，共同努力争取反击的机会……...

A small group of town residents have to band together after a devastating ground invasion. As they struggle to survive, they realize th ey must stay one step ahead of their attackers, and work togethe...