From the same school of thought as, "Hey GM, which book did I just randomly pull from the shelf of the wizards' library?" No plot hooks here, just flavor additions.
Found, normally, deep in the swamp, the Friar's Weed's poison is something to be watched for.
A man is taken in for a crime years ago. Any who ask or willing to listen, he tells a tale of how he ended up in such a position. So far fetched is the story that many believe it to be false. Perhaps the adventurer who came to town would like to listen to the man's tale?