Sherlock Holmes: Incident at Victoria Falls (1992)

1910. At the behest of King Edward VII Sherlock Holmes and Dr. Watson set off for Cape Town. The Star of Africa, the largest diamond in the world, is being shipped to England and Holmes is to ensure that it reaches the King safely. In South Africa Holmes discovers that not only is a plan afoot to steal the diamond but the perpetrators are willing to resort to murder to achieve their ends.