•Why it earns a slot
Why it earns a slot: it ends on a swim that mirrors the one 200 pages earlier, so the same physical act that once meant liberation becomes the exit, and Chopin never tells you which reading is correct.
A married woman at a Gulf Coast resort learns to swim, takes a lover, and decides she would rather drown than keep belonging to anyone.
This distillation is written from the freely available original, which is always the better read when you have the time: Project Gutenberg.