The Classic Movie starring Basil Rathnone and Nigel Bruce based on 'The Dancing Men' by Sir Arthur Conan Doyle At the height of World War 2, Swiss inventor, Professor Tobel, has created a new device to make the dropping of bombs far more accurate. The side in possessing that invention would have a huge advantage in the conflict. Sherlock Holmes is tasked first with spiriting Tobel out of Switzerland from under the noses of the Gestapo, and then with protecting both the Professor and his invention when they reach London. However, waiting in London, with schemes of his own, is Holmes' greatest enemy, the dreaded Professor Moriarty... The screenplay of the classic 1942 movie which starred Basil Rathbone as Sherlock Holmes and Nigel Bruce as Doctor Watson, and the story for which was based upon Sir Arthur Conan Doyle's short story, 'The Dancing Men'.