Modern London of the eighteen hundreds is a city of electric cars, blimps and alliances that were unthinkable before the war with Ghengis Khan. A group of brave adventurers culled from the best minds of their time join together to take on the biggest crimes of their century, but not just to solve crimes, but also mysteries that have mystified humanity since the dawn of time.A curious phenomenon has appeared close to Baker Street 221B. It is called a Fairie Wall. A portal between the world of man and Fairie. Sir Arthur Conan Doyle and Professor Challenger enlist the aide of Sherlock Holmes and Doctor Watson in an effort to solve the mysterious appearance. Soon they are joined by Harry Houdini as well. Deciding to take a chance and venture into the land of Fairie they embark on a journey to explore the fabled land, but are waylaid by the evil Hyde, an energy creature, created by a split of the personality of Doctor Jekyll into good and bad. The brave Baker Street Adventurers are now faced with the very real possibility that they may never return safely home again.