The recent murder of a man who was supposed to have died six years ago sends Steve to Greece in search of a cast-iron swastika supposedly containing the location of Hitler's secret bank accounts.
Posing as a journalist in the Balkans, Steve tries to keep a murdered general's secret documents from falling into the hands of enemy agents.
Steve parachutes into an Eastern European country to search for a confession that will exonerate the country's leader of false charges of being a spy for the U.S.
Steve must travel though the famous sewers of Paris to rescue a colleague whose identity was discovered after he infiltrated a European spy ring.
