地球被外星机器人入侵,人类变得稀少和贫困。在偏远的乡村,饥饿的人们如同盘旋在天空中的外星人一样危险。一个精力充沛的19岁女孩Sarah Connolly(达科塔·布鲁·理查兹 饰)开始拼命反击一群饥饿的土匪,她保卫着她父母的农场、剩余的牲畜、和太阳能电池板……如果她不成功,她将失去唯一的食物与住所。
Several young girls were killed. Policeman Matthaei travels to the region where it happened and searches a child that looks similar to the ones that were murdered. He finds one and stays with her and her mother, not telling them that he is waiting for the killer to start his bloody work one ...