An apocalyptic virus. A hit list. A hopeless martyr.

One month after the mysterious "Scratch 'n Sniff" outbreak began in Boston, the world is returning to normal. The miracle vaccine is working. Food is back on tables. And America Back Online is restoring faith in the country.

Nick Ritter, an expert crisis consultant, is a shattered man. Dr. Teddy Monroe and his partners turned his brother against him, shot his friend, and branded him a terrorist.

With nothing left to lose, Nick declares war on everyone. Disappearing underground, he recruits an unlikely ally to launch one last plan. And it all starts with a hit list of twenty names.

As Dr. Monroe and the FBI close in, the family grapples with their future:

Abby Blackwell, a postpartum teen mother, is haunted by guilt. When she shares her dark secret with Nick, he convinces her to chase an impossible salvation.

Brian Donahue, a reawakened warrior, wrestles with the loss of Lamb under his command. When he discovers the true depth of his failure, something inside him breaks.

Zoe Donahue, an aspiring minister, loses her faith. But a message from a strange figure sends her searching for a divine sign.

Tracy Donahue, a passionate chef, tries to save her family from Nick. As his rampage spirals, she becomes convinced he’s going to destroy himself and everyone around him.

Dana Foster, a battle-scarred doctor, pulls away from Nick. When he promises her a happy life in New Zealand, she gives him an ultimatum.

Mikey Reed, an orphaned handyman, struggles to process the death of his adoptive grandfather. Lost in the strife of the group, he becomes obsessed with a strange calling.

Now Nick must call on his disaster-planning skills to survive, facing off against a hit list of enemies to deliver Monroe to justice, bring the world a cure, and save his family from ruin. But as his war spreads, Nick careens toward the dark fate of a hopeless martyr. And by his side stands his last hope.