The final film in the series "The Adventures of Sherlock Holmes and Dr. Watson." Underlying - late and little known stories by Arthur Conan Doyle, united by the theme of approaching World War and the legendary detective with foreign spies.
The early twentieth century was marked for the British Boer War and the death of Queen Victoria - so ended the days of good old England. Police Scotland Yard and London criminals, armed with electricity, telephone, gas welding, cars and airplanes, do their business at a new stage of civilization. Sherlock Holmes considered himself old-fashioned and retired in Sussex, Dr. Watson delved into care practice. But Watson secretly hoped that someday the great detective re-teach him the object lessons of the deductive method. It happened ...