This is an adequate afternoon B-feature that probably served more as a warning against fifth-columnists than it actually entertained anyone. It all centres around attempts by the Axis powers to obtain access to the designs of "Archer Coe" (the briefest of appearances from Richard Kipling). Now he has an exclusive arrangement with the Americans so when he is found murdered, it falls to the wily, suspicions and tenacious "Vance" (James Stephenson) to find out who the killers were and on whose malevolent behalf they were working? Did they manage to steal his secret plans? Now this is just a substantial reworking of "The Kennel Murder Case" (1933) - even down to whopping great chunks of the script being transferred, albeit updated, to allow for it's WWII scenario. Although all pretty lightweight and devoid of any real sense of jeopardy, Stephenson is actually quite engaging and there is a decent supporting effort from Edward Trophy ("Ryan") delivering some fun to this rather dry, procedural, crime drama. It's only an hour, and if you like the genre then there isn't really anything not to like - or memorable - about this.