The boys discover a conundrum which is baffling: The very source of Sheldon’s social awkwardness seems to be his intelligence, is also the reason according to his new scientific procedure for making friends.
James Moriarty - the greatest criminal mind that the world has ever seen. Sherlock and John knew he wouldn't stay hidden for long. But even they never guessed the sheer scale and audacity of the crime that would propel Moriarty back into the headlines. The crime of the century...........