The Adventure of the Blue Carbuncle - Sir Arthur Conan Doyle

On Christmas Eve, the invaluable Blue Carbuncle has been stolen from the Countess of Morcar’s hotel room. A plumber is arrested on the spot but the expensive missing gem is still nowhere to be found. Sherlock Holmes is called on to try to solve this puzzle."The Adventure of the Blue Carbuncle" is part of "The Adventure of Sherlock Holmes."