I have read everything by H.P. Lovecraft and \"The Shadow Over Innsmouth\" stands out as one his most satisfying works, but my synopsis would be more like this:

\"The story describes a man who finds himself stranded in a half-deserted town with strange inhabitants. They look human - mostly, but there is something odd about their eyes and their behavior. The man is both repelled and drawn the horror as it has unspeakable effects on him.\"