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Watch The Sign of Four (1987) online for free on 123Movies. A young lady, Miss Mary Morstan, contact Sherlock Holmes for his help regarding her father, captain Morstan, who disappeared 10 years ago. Since his disappearance she annually receives a valuable pearl by post from an unknown person. The mystery leads Holmes and doctor Watson into an intricate plot regarding a lost treasure belonging to four convicts on the Andaman Islands.
Original title Sherlock Holmes: The Sign of Four
IMDb Rating 8.1 2,311 votes
TMDb Rating 7.6 14 votes