The battle for survival continues in the final book of the bestselling Catalyst series...Two years ago, a super solar-storm, triggered a CME pulse that crippled the country and destroyed the electrical grid. What remains of the country's leaders are hiding a secret; something that threatens not just the U.S. but the entire world. The Gulf Coast town of Harris Springs, Mississippi has suffered from gang attacks, famine, hurricanes and battled a crusading army of religious zealots.Now, they face their greatest challenge. Outsmarting a tyrannical President and escaping an approaching pandemic. The fractured military leaders are beginning to come to grips with the facts of America being ripped apart at the seams. They must act to give the remaining population any chance for survival. As the nation falls apart in the aftermath of civil war, the survivors must decide how far they will go to save the ones they love.