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.

中年男子迈克尔·法尔（塞伦·希德CiaránHinds饰）两年前痛失爱妻埃莉诺（AvianEgan饰），在接下来的日子里。之后漫长难熬的岁月中，他一人抚养一双儿女托马斯（EannaHardwicke饰