Sherlock Holmes. Blue carbuncle. Doyle A.K., Bode S.

A unique precious stone, known as the Blue Carbuncle, was stolen from Countess Morcar's casket. The countess proposed a reward in the amount of one thousand pounds for any information that will allow you to find a stone...

while the London police are trying to track the missing diamond, the cost of which cannot even be imagined, Holmes and his faithful friend Dr. Watson take up Investigation of this confusing and complete mysteries of the case. They have to not only reveal a cunning crime, but also save the life of an innocent person...