The Sign of Four (1987)
Granada Television

• 8 IMDB SCORE
• 1988-10-27
• 1080 HD
• Adventure

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.