When a typical power outage turns deadly, a nationwide lockdown forces 15 year old Anna Logan to flee towards the Canadian border in an attempt to contact her estranged father and find refuge from the madness that ensues. With little more than a bag full of antiquated supplies and her wits, Anna must now navigate a series of dangerous urban streets who's inhabitants are showing signs of bizarre and violent behavior. An exhausting journey brings her to what she believes is her ticket out of the hellish city of nightmares, but to her astonishment, leads her to the threshold of something far more sinister.