Seven hundred years ago, in a time of war and betrayal, Europe’s greatest hoard of treasure and religious works disappeared. The men who guarded its secret simply vanished into history.
In Europe today, Cassiter is a sadistic killer and criminal contractor – a master of his craft. His team is searching for something secret, something very old and with a value beyond gold. His client wants results, only results.

Sam Cameron, a former army officer turned archaeology lecturer, leads his students on a fieldtrip to the coast of Fife. Helen Johnson goes too. A junior church minister and independent spirit, her yearlong exchange trip to Scotland is going well – life feels good.

Meanwhile, the apparently random and brutal killing of a retired church minister has sent shockwaves through the communities he once served.

Far from that turmoil, Sam and Helen’s summer takes an exciting turn with a find in the dunes. What are these mystery objects? What is their connection to the Knights Templar?

But suddenly, others are asking the same questions and the thrill of discovery is swept away in a rage of violence and death. Helen and Sam must draw on all their skills and experience to solve an ancient mystery and find how it links to the murdered minister. In a race for answers, their lives and the lives of those they hold dear are in the balance.

Failure means death. Success will answer the greatest unresolved mystery of the medieval world.