Charlie Giles is at the top of his game. An electronics superstar, he’s sold his startup company to a giant Boston firm, where he’s now a senior director. With his dog, Monte, at his side, Charlie is treated like a VIP everywhere he goes.

Then one day, everything in Charlie’s neatly ordered world starts to go terrifyingly wrong. His prestigious job and his inventions are wrenched away from him. His family is targeted, and his former employers are dying gruesomely, picked off one by one. Every sign, every shred of evidence, points to Charlie as a cold-blooded killer. And soon Charlie is unable to tell whether he’s succumbed to the pressures of work and become the architect of his own destruction, or whether he’s the victim of a relentless, diabolical attack.

In a desperate struggle to save his life, Charlie races to uncover the truth, all the while realizing that nothing can be trusted — least of all his own fractured mind…