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.

Teenage Reese (Brighton Sharbino) has a love for virtual reality role playing and a knack for beating even the toughest survival games. But when a nuclear strike causes an electromagnetic pulse that cuts off all power, water, and communication to the entire western United States, Reese finds herself plunged into an all-too-real fight to survive. As pandemonium grips her city, Reese and her father (Dominic Monaghan) set out on a desperate journey in search of safety--a perilous trek through a world gone mad where every encounter with a stranger could be your last. Propelled by the ingenuity and resilience of its young heroine, "Radioflash" is a harrowingly unpredictable apocalyptic thriller that speaks to our precarious present.