High in the Italian alps, cut off from the outside world, sits a chapel battered by winds and icy blizzards. The priests who guard this sacred place have sworn to protect the dangerous treasure that lies within their walls. But when Joe Mason and his team are called to the remote church, they find its ancient stones reduced to rubble, the priests murdered in cold blood and their precious cargo stolen. As Mason pursues the thieves across continents and dangerous waters, he wonders what incredible secret the priests laid down their lives for… And if he can recover it before it claims more innocent victims, and brings the downfall of civilisation as we know it...