After nearly 400 years, an emerald-encrusted gold pectoral cross belonging to the Catholic Church is discovered by two salvage divers off the coast of Bermuda. Carried by an Augustinian friar on the ill-fated Spanish galleon San Pedro, which sank in 1596, the cross contains a priceless hidden key.
The divers want it for the money. The Bermuda government wants it for its historical value. A group of cardinals known as the "Silenti" want it...