A girl named Mary Morstan turns to the brilliant detective Sherlock Holmes for help. The girl and her brothers are the heirs of an enviable fortune, a treasure. But one day the treasures disappear... (“The Sign of Four”). An inexperienced detective faces a difficult task: to find the thief of some 200 pounds. Events begin to unfold in a completely unexpected way... (“Gotcha, who bit.”) The collection also includes the stories “The Scary Rope” by Thomas and Mary Hanshey and “Three Short Stories from the Lives of Detectives” by Charles Dickens.