Six years ago, a highly contagious virus wiped out more than ninety-nine percent of the country’s population. The only person to contract the virus and survive, Cricket fled her identity and the safety of New Caelum, an airtight city. Now eighteen, she watches the city where the wealthy cocooned from the devastating outbreak. When the city’s rumbling incinerator wakes her one night while she and her friends are camping just beyond the city walls, she alone knows what the fiery machine means: the lethal virus is back.
Estes Park Police Chief Marcus Colton and tracker Sam ‘Raven’ Spears have never liked one another, but when a young girl goes missing in Rocky Mountain National Park, Colton hires Spears to help find her. Their search ends after a night of devastating horror. When word reaches Estes that the nation has been hit by a coordinated electromagnetic pulse attack, Colton and Spears are forced to work together again. But they quickly realize they aren’t just tracking a killer–they are tracking a madman. As the United States descends into chaos, the hunters become the hunted.