London, 1943. Across the city prominent figures in science and the military are bursting into flame and being incinerated.Convinced that the Germans have deployed a new terror weapon, a desperate government turns to the one man who can track down the source of this dreadful menace - Sherlock Holmes. The quest for a solution drives Holmes into an uneasy alliance with the country’s most brilliant scientific genius, Professor James Moriarty.Only Holmes knows that, behind his façade of respectability, Moriarty is the mastermind behind a vast criminal empire.As they pursue the trail of incendiary murders, Holmes is quite sure that the professor is playing a double game and that there lies ahead a duel to the death which they cannot both survive. A tribute to the classic Universal Pictures Sherlock Holmes film series starring Basil Rathbone and Nigel Bruce.