Miss Moriarty I Presume?

Sherlock Holmes’s sister Charlotte is a consummate detective. Clients flock to her door (or rather her sitting room, conveniently situated next to her fictionally ailing brother’s bedroom—the easier to “consult” with him). But who would anticipate that Moriarty, her sworn enemy, would turn to her in his hour of need? Moriarty has a tortured, tenuous…