An old enemy from the past has turned Nick's life upside down. Now he's playing The One Game, a reality game where anyone you meet could be friend or foe. Anyone. A pawn. With his life as the prize.

The stakes have been raised on The One Game. Nick has been imprisoned, shot at, fought sword battles, and found that every time his opponent is one step ahead. Magnus, his enemy. Formerly his best friend.

The battle of wits between Nick and Magnus reaches its end game. Everything will come down to one final realisation and then confrontation. For The One Game started many years before ...