Can you stop the evil Professor Moriarty before he destroys England? Perambulate at speed around the old lanes of London, evade the evil henchmen, search out the clues to find the professor's calling cards and work together with your companions to win the day. Replete with bustles, villains, riddles and cobbled alleys, this promises to be a riotous city dash for those gentle folk familiar with matters of adventure and intrigue.