A One-Round Living Greyhawk Highfolk Regional Adventure
From the introduction:
Brewfest may be ending soon, but tomorrow looks promising. A treant is scheduled to speak, but several thefts were not. Who is behind these robberies, and can you stop them from spoiling your fun? An adventure for investigative [characters], though others may still apply.
The Mystery of F.M.A., Part 2.
An adventure for characters level 1 - 4.