The Sign of Four
Mary Morstan has received a pearl in the post every year since her father's disappearance. This leads Holmes and Watson to the truth about a secret pact between four convicts during the Indian Rebellion of 1857.
- genus: TV Movie, Adventure, Crime, Mystery, Thriller
- Studio: Granada Television
- keyword: treasure, based on novel or book, river, doctor, sherlock holmes
- cast: Jeremy Brett, Edward Hardwicke, Jenny Seagrove, Ronald Lacey, John Thaw, Emrys James
