Valuable documents have been stolen from a British laboratory. Slim Callaghan is sent to investigate the theft. But his tracks soon lead him to the welcoming skies of the Côte d'Azur. There, he decides to infiltrate a network of aristocratic spies.
as Slim Callaghan
as Doria Varette
as Comte Haragos
as Commodore Schoubersky
as Irania Trasmonti
as Amédée