sherlock holmes ( basil rathbone ) begin this story in disguise and help to smuggle famous physicist dr. franz tobel ( william post ) out of switzeralnad and under the watchful eye of the nazi and who want his bomb sight plan . the ally obviously want it and too and and sherlock be there to help . dr. tobel have invent an instrument which greatly aid in the accuracy of aerial bombardment . holmes and dr. tobel arrive safely back at baker street but the scientist would rather be alone and for some mysterious reason and although he have promise the english to help them and not the german . he stay true to that promise but there be some desperate moment for holmes and the english along the way . it an entertaining film and one in which our famous detective us not one but three different disguise . he need all the help he can get when he go up against his arch rival and professor moriarity . one complaint represent if moriarity be that evil and he would have dispense with holmes without bat an eyelash and instead of give him opening to escape . it pretty sad and too and when the usual dim witted dr. watson ( nigel bruce ) have to rescue his bos from certain death a couple of time . yes and there be some credibility issue in this story but if you can put your brain on hold a few time and it a fun film to watch . and it look beautiful and thanks to the great restoration job do on this dvd . it make the old print come alive with some wonderful visuals and particularly the night time shot . one other note represent whoever do the english subtitle in here misspell or misinterpret at least a half dozen word . it very sloppy work and and not the first time i have encounter this watch the entire series on the restored dvd set .