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. 任务说明：拥(yōng )有良好的家(〽)园(🏛)环境，加快发展速度，为了更美好的(🕒)未来，请加油(yóu )建设吧(ba )。