Billy Weaver finds lodging for the night in an old lady’s flat, where something is just off.
A well-constructed tale which neatly foreshadows the ending; echoes of Poe’s “The Cask of Amontillado”.
On the other hand, a pub would be more congenial than a boardinghouse. There would be beer and darts in the evenings, and lots of people to talk to, and it would probably be a good bit cheaper too. He had stayed a couple of nights in a pub once before and he had liked it. He had never stayed in any boardinghouses, and, to be perfectly honest, he was a tiny bit frightened of them
Lovers of the classic short stories can add this to their cannon.