The year is 1943, and Argentina is officially neutral, but crawling with every kind of spy, sympathizer, and military official imaginable. The hero is Cletus Frade, a Marine pilot recruited by the OSS, with strong family ties to Argentina, and a lot on his hands. OSS chief Wild Bill Donovan has asked him to set up his own official-but-really-OSS airline in Argentina, using "loaned" Lockheed Lodestars and Constellations. Of even more concern are two...

In the aftermath of the surrenders of Germany and Japan in October 1945, Cletus Frade and his colleagues in the OSS are given the life-threatening task of maintaining security during a covert U.S. deal with Germany for intelligence about the identities of Soviet spies in the American atomic bomb program.