VALPARAISO, Chile – March 1942

Dispatched in secret to South America, by the San Francisco Intelligence Center of the U.S. Federal Communication Commission’s Radio Intelligence Division is radio engineer, Lynwood Ardent.

His mission is to pinpoint, and expose a thought to be Valparaiso-based Nazi radio spy network operated by pro-Axis German settlers in Chile.

The German-Chilean spies, on orders from their Abwehr superiors in Hamburg, have been providing exhaustive details about American and Allied shipping in the Southern Cone .