A plane crash in the Arizona desert. An explosion that sets the world on fire. A damning pact to hide an appalling secret. And one man bound to expose the truth.
The forbidden Citadel at the heart of the ancient Turkish city of Ruin opens its gates for the first time in history. Why now, after centuries of secrecy?
Hounded. Haunted. Hunted. She is the most important person in the world. She is The Key.
The certainties of the modern world are about to be blown apart by a three thousand year-old conspiracy nurtured by blood and lies …