Biff Baker, U.S.A.

When Biff tries to help a young boy recover his mother's stolen ring, he discovers a crooked ring of marketeers who prey on refugees in Marseilles.

While on a trip to Czechoslovakia, Biff and Louise attempt to help a U.S. Air Force pilot whose plane accidentally crashed behind the Iron Curtain.

The Bakers are asked to import some paintings that they soon discover are actually disguised old masterpieces, looted from great museums by the Nazis.

In the German Alps, Biff and Louise learn of a Nazi plan to counterfeit American money, and they must find the plates used to print the bills.

The Scotland Yard seeks help from the Bakers in locating foreign agents in London.

In a hotel hallway, the lingering aroma of a powerful scent puts Biff and Louise on the trail of a ring of international smugglers.