Levi Walsh is on active duty as a major in the United States Army, while his teen-aged daughter, Becca, is living three hours away in central Florida under the care of her grandfather, Ray, a disabled veteran and devoted prepper. Becca has thrived and is a star in school and in sports, and she treasures the time that Levi is able to spend with her while on leave. When a massive EMP attack shuts down much of the United States, the Walsh family is ripped apart, separated by hundreds of miles that seem like much more in a world gone mad, with communications and transportation paralyzed. Levi is torn between his heightened military duties during the emergency and the need to return home to his embattled family. When honorably freed from duty, Levi fights his way across the state to reach Becca. Will his best efforts be enough – against the host of marauding gangs and desperate survivors - to protect his own