Half of the earth's population has been wiped out. Impossible to predict or stop, the Gamma Ray Burst tore through the Earth like a bullet, its radiation wave killing hundreds of millions, and the after effects ensuring the deaths of billions more.

During the coldest winter on record, an EMP attack wipes out the nation's power and cripples the country. As the city spirals into lawless chaos, an investigative journalist, twenty-six-year-old Cassandra Drews, is forced onto the dangerous streets of Portland to begin the long walk to her parents' home in Oregon. But hypothermia and starvation aren't the only dangers Cass and her rescue dog, Daisy, face on their perilous trek.

An EMP bomb blasts a small town in Pennsylvania back to primitive times. Former Marine Raider Lori, a committed survivalist, finds herself in a race against the coming winter and a growing foreign threat to ensure her family's survival. As society crumbles around her, will Lori's meticulous preparation be sufficient, or will she fall to the encroaching chaos and snow?

Deep into the coldest, Midwest winter on record, an electromagnetic pulse has taken out the nation’s power grid, plunging St. Louis into frigid darkness. Can ordinary people survive the apocalypse? Pre-med student Raine Caldwell is about to find out. The government isn’t coming to rescue her. If Raine and her group are going to make it, they must save themselves. After finding themselves in a community terrorized by ruthless and dangerous people, Raine and the others in her group must pull together to find justice, when one of their own is taken.

It's been a month without power. With no phones, no computers, and no reprieve, the remaining fragments of humanity are disintegrating rapidly. Starvation grips the populace as ruthless gangs emerge, seizing control in a merciless free-for-all that engulfs the entire nation.