Ranger Quinn thought that morning would be like so many others. A hangover, a day off before going back to work keeping the lower levels of Zion City safe from itself. But a crime so horrific, so brutal in its execution, turns those mundane expectations around. An investigation into the death of a senior leader in their underground utopia safe from the harsh radioactive wastelands beyond their walls forces Quinn beyond that safety and into the world outside.

When a series of devastating terror attacks brought down the United States, Conor and Barb assumed they were safe in their compound. They had everything they needed. They were armed and highly trained. But then, Barb was kidnapped. The kidnappers didn’t know why Conor was known as The Mad Mick. They didn’t know the fear and respect his name invoked in the shadowy underworld of covert operations. They didn’t know that when it came to protecting his family, he was without conscience, without compassion, and without equal. But they would soon find out.

If society collapsed, could you survive? When Morgan Carter's car breaks down 250 miles from his home, he figures his weekend plans are ruined. But things are about to get much, much worse: the country's power grid has collapsed. There is no electricity, no running water, no Internet, and no way to know when normalcy will be restored - if it ever will be.

If society fell apart, could your family survive? Jim Powell thought he was ready. He was a regular guy who travelled a lot for work and hated every second he was away from his young family. But when ISIS operatives unleashed a coordinated attack on America’s infrastructure, his entire world shattered. The electrical grid collapsed, communication networks were damaged, critical bridges and dams were destroyed, and major fuel refineries have gone up in massive fiery clouds.

Isaac Race thought he'd found a new family and home. A new Life. He had, but it's all about to be snatched away. When an ambitious enemy launches a sneak attack on the USA, his peaceful life is shattered and Isaac, by his very nature a loner, must band together with a ragtag group of survivors to make their way to a sanctuary, three states away in the depths of a vicious east coast winter.