Five years ago, Adam Kane's life fell apart when he was dishonorably discharged from the military. Forced to return to San Francisco, a disgraced and broken man, he thinks his life can't get any worse.

He's wrong.

A terrifying attack sets him on a collision course with an enemy more powerful and dangerous than he can imagine, but the only man who has a chance of stopping it doesn't even exist yet.

All across America a shadowy organization is seizing control of the illicit drug trade, growing ever more powerful, while the most devastating attack in US history is being planned in secret.

A new epidemic sweeps the streets.