George Sanders is quite good in this tale of wartime espionage. He is the aristocratic "von Rohback" who returns to take up his acclaimed station in German society after a period of incarceration in Britain during the war. Or, is he? Well we know, but the Germans don't - and so they assign their super spy detector "Dolores" (Dolores del Rio) to use all of her wiles. Can he resist her charms and also stay one step ahead of the suspicious, ferret-like "Maj. Gruning" (Peter Lorre)? Can she resist his debonaire charms? The plot does proceed along some fairly well established lines, but this is real...