It featured Christopher Lee and Patrick Macnee as Sherlock Holmes and Doctor Watson as elderly gentlemen getting involved with Balkan terrorists and meeting again with “The Woman” the actress and leading lady Irene Adler played by Morgan Fairchild. They save Emperor Franz Joseph I of Austria from an assassination at the opera house and thus prevent World War I.
The film also featured a number of historical characters involved in the plot including Eliot Ness and Sigmund Freud. It was shot back to back with Incident at Victoria Falls. Both were released in the next two years and there were drastically edited versions released by Vestron Videos. No further films were made. The full versions are now available on DVD.
Filming locations were in Austria, London and Luxembourg.
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