Former covert operator Nick Stone seems to be living his dream in book eight of the best-selling series – not a care in the world as he steers his camper van around the surfing and parachuting paradise of Australia. But when he sees a news report of the massacre of women and children in a terrorist outrage on the other side of the world, long-suppressed memories are triggered, and Nick knows he must risk everything to repay a longstanding debt of friendship.