Plot
Sherlock Holmes and Doctor Watson get involved with Balkan terrorists to save Emperor Franz Joseph I of Austria from an assassination at the opera house and prevent World War I.
| Writer | Arthur Conan Doyle |
|---|---|
| Director | Peter Sasdy |
| Actor | Christopher Lee, Patrick Macnee, Morgan Fairchild |
| Country | Belgium |
| Production | Silvio Berlusconi Communications |