Greece. 1876. Heinrich Schliemann, the great archaeologist, raises the Mask of Agamemnon and makes a mind-blowing discovery. Determined to keep it a secret until the time is right, he then dies. Germany. 1945. The liberation of a concentration camp reveals clues to lost antiquities stolen by the Nazis. But the operation is covered up after a deadly secret surfaces. Northern Aegean. Present day. Marine archaeologist Jack Howard discovers a shipwreck, part of the war fleet of Agamemnon, king of the Greeks, and soon becomes embroiled in a desperate chase across Europe against a ruthless enemy…