The Adventure of the Blue Carbuncle

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. "e;The Adventure of the Blue Carbuncle"e; is part of "e;The Adventure of Sherlock Holmes."e;