Compromising photographs threaten the monarchy, but for Sherlock and John the game is on. The great detective is about to meet an antagonist as cold and brilliant as himself: to Sherlock Holmes, Irene Adler will always be THE woman.

Sherlock and John investigate the truth about the monstrous creature which apparently killed their client’s father. What seems like fantasy in Baker Street is a very different prospect in the ultra-secret army base that looms over Dartmoor...

Moriarty is back – with the most audacious crime of the century! But is Sherlock Holmes all he claims to be? With the world against them, Sherlock and John lock horns with their old enemy in one final problem. The question is - who will survive?