A stunning debut thriller about a code that threatens humanity - and the only man can crack it. William Sandberg, once a well-respected military cryptologist pursuing cutting-edge research, is a ruined man. His career is in shambles, his marriage is over, and he's succumbed to a dark depression. But William's talents haven't gone unnoticed. A nameless, top-secret organization abducts him and tasks him with a daunting mission: decode a message that...