Nate Overbay, a former soldier suffering from PTSD and ALS, goes to an 11th-floor bank and climbs out the bathroom window onto the ledge, ready to end it all. But as he’s steeling himself to jump, a crew of gunmen bursts into the bank and begins viciously shooting employees and customers. With nothing to lose, Nate climbs back inside, confronts the robbers, and with his military training, starts taking them out, one by one. The last man standing leaves Nate with a cryptic warning: “He will make you pay in ways you can’t imagine.” Soon enough, Nate learns what this means.

Mike Wingate, abandoned by his father at four and raised in foster care, is finally living the life he always dreamed of - he's happily married with a precocious 8-year-old daughter, and his construction company is about to finish a "green" housing development that will secure a solid future for them all. But then something from his own past, a past he doesn't even remember, comes back to visit terror upon him and his family.

Someone is stalking the UCLA Medical Center - a depraved madman who is preying upon the staff, particularly those who are young and female. No stranger to the terrible ravages of senseless violence, E.R. Chief Dr. David Spier must keep the emergency room running smoothly and efficiently, even as his terrified co-workers wonder who will be the next victim. But when the monster himself is dragged into the E.R. in handcuffs - hideously burned, suffering, and begging for mercy - the nightmare is far from over. It has only just begun.

Allander Atlasia is an infamous psychopath whose heinous crimes have earned him a lifetime stay at the Tower, the world's most extreme maximum-security prison. But after a brilliant and brutal escape, the criminal mastermind begins a killing spree that is intensely personal. Jade Marlow is an ex-FBI profiler and tracker whose fearlessness is only surpassed by the severity of his own inner demons. With a record of irrational behavior and a genius for putting himself into the mind of a criminal predator, he may be the one man diabolical enough to catch Atlasia.

Over the past two decades, Nick Horrigan has built a quiet, safe life for himself, living as much under the radar as possible. But all of that shatters when, in the middle of the night, a SWAT team bursts into his apartment, grabs him and drags him to a waiting helicopter. A terrorist - someone Nick has never heard of - has seized control of a nuclear reactor, threatening to blow it up. And the only person he’ll talk to is Nick, promising to tell Nick the truth behind the events that shattered his life twenty years ago.