No power. No law. Just the fight for survival. When an EMP wipes out power across the nation, the world descends into darkness. In a city teetering on the edge of collapse, Dr. Annabelle Wheeler struggles to survive in a psychiatric hospital overrun by its violent inmates. Far away, three young women—Hazel, Lucy, and Katherine—are trapped in a burning high-rise and captured by a ruthless gangster. Without power, help, or hope, John and Tobias, two former Marines, must navigate a crumbling city, battling violent gangs and the elements, on a desperate mission to save their daughters before it's too late. In a world without power, survival is the only goal.