Sherlock Holmes and Dr Watson are back on the streets of London. A new case takes them across the centre of the city, past famous and fascinating sights. Buckingham Palace, Downing Street and Westminster Abbey, Covent Garden, St. Paul’s Cathedral and other historic places lie on the route as they follow the trail of a mystery criminal. They find clues everywhere, and meet characters from the past such as Charles I, Nell Gwyn, Shakespeare, Christopher Wren and Mary, Queen of Scots, who all have stories to tell. Explore London in the company of Sherlock Holmes, take a trip through its history and discover some of its most charming and interesting places!