Though with possibly not the most authentic Germanic accent you’ll ever have heard, “Holmes” (Basil Rathbone) still manages to smuggle Swiss scientist “Tobel” (William Post Jr.) back to London where we learn that he has developed a game-changing bombsight that could turn the war in the allies favour. He’s a bit of an enigmatic chap, this man, and declines all the security offered him so it’s no great shock that barely a day after his arrival, he has been kidnapped. Fortunately, he had the foresight to split his apparatus into sections and now the race is on between the detective and his stalwa...