When a vital part of a U.S. code machine is stolen, Steve is sent to Venice, Italy, to locate it and buy it back before its secrets end up in enemy hands.
After the war a lot of orphaned teenagers are drifting about in Berlin. Some of them have formed a gang of young criminals, who cover their faces with black hoods.
In the subterranean passages of a ruined castle in Transjordan, built by the Crusaders in 1140, US agent Johnny Marshall has found a statuette of a goddess.
Steve negotiates the dangerous back alleys of Havana in search of a spy in possession of stolen documents on microfilm.
