The secret that many centuries ago the High Priest of Jerusalem Matthew bequeathed to young David and his descendants to keep... The treasure that the crusader discovered in the catacombs under the Temple of Jerusalem - and took to Europe... “The Shrine of Castellombra” is a mysterious artifact that the Cathars revered as a RELIC... The “ultimate weapon” that was once hunted by the Nazis, and in our days by two opposing terrorist groups... Is it possible that we are talking about the SAME OBJECT? But WHAT IS THIS OBJECT and where to look for it NOW? The investigation is led by two old police friends and a young journalist. The last secret of the Temple will be either salvation or curse for humanity!