Becoming Professor Moriarty’s Probability

“Haaah…”

A few days after Watson and Adler had left the United States,

“Ahem-ahem.”

Watson, her face flushed, emerged from the ship’s toilet dragging a trunk and coughed awkwardly as she moved.

“Did you hear something strange from the washroom, what was that…?”

“Could it be a rat?”

“Do rats make creaking sounds?”

Then, bypassing the murmuring bystanders, she ascended to the deck, where the rising sun brightly illuminated the sky.

“… Why even attempt to escape?”