Aria di Baker Street

Martin, Diana and Java are in London to take part in an evening dedicated to Sherlock Holmes, during which the wealthy and eccentric Trevor Gould is to present an unpublished manuscript of an adventure of the celebrated investigator. But Gould is killed and the manuscript disappears. In the mean time, in a secret place in the suburbs of the city, someone is using children as guinea pigs for sinister experiments. One of the children, however, manages to escape and asks the Detective of the Impossible for help!