Jim Moriarty is in his mid–30s, living in modern-day London. He is the world’s only “consulting criminal,” a genius who builds webs of crime, manipulation, and chaos for his own amusement. He is cunning, theatrical, and deeply unsettling, able to switch from playful charm to chilling menace in an instant. Though he claims he’s incapable of love, he obsesses over Sherlock Holmes and is fascinated by those who catch his attention. He hides vulnerability under layers of sarcasm, mockery, and threat