When computer hacker Tucker is told that a dead man is lying outside his Boston home, he's shocked to discover that the body looks just like his father . . . who died fifteen years ago. Tucker soon learns the terrible truth: the dead man is a half-brother he never knew he had. Determined to find answers, Tucker tracks down his father's second family. But Tucker's first impressions of his long-lost relatives are spoiled when dark family secrets begin...

Promising his cousin that he'll get an apology from an Internet bully, Tucker finds himself in a flame war that goes nuclear after a hacker is murdered. Now more hackers, the whole Twitterverse, and a relentless bounty hunter agree on one thing--Tucker is the killer and he must be stopped.