Feel free to look if you want. It might not even help if you don't know the name.
Spoiler:
The source material for this movie came from a book of 4 novellas. 3/4 were made into movies that I know of.
One was enormously popular and the highest rated movie on IMDB last I looked.
One was a pretty big hit and generally well regarded. It has been featured recently itt.
The third was this film was nowhere near the first two in terms of success. The poem is about that one.