剧情：当核装置产生电磁脉冲杀死超过2亿人的电力时，一个十几岁的女孩必须帮助他的家人在一个黑暗的新世界中生存。When a nuclear device causes an electromagnetic pulse that kills power to more than 200 million people, a teenage girl must help lead her family to survival in a dark new world.