If you have not heard about the world's most brilliant crime solver of all time, the consulting detective, Mr. Sherlock Holmes, you have undoubtedly spent your years beneath a large rock -- for much has been written about him. Those familiar with Mr. Holmes know that a gang of homelss boys, called the Baker Street Irregulars, assisted him in his crime solving. When a murder at the circus unravels another, far more treacherous crime, the master detective and the boys of the BSI must pursue terrifying villians to solve this mystery, dodging danger at every turn....