From publisher blurb:
Introducing Drop-In Dungeons! This series of releases will feature small adventures and dungeons, generally 5 pages or less, that are effortlessly inserted into almost any campaign for the times you players zig instead of zag and you find yourself unprepared. With the loose and opened ended way Drop-In Dungeons are written, you (the GM) can bait the hook however you want; the appetizers and desssert are up to you, herein you'll find the meat and potatoes.
The Holy MacGuffin: The sword of Toby MacGuffin, a local folk hero of yore, has been stolen from its resting place at a a local temple by a troll named Groth. Intended for a tier 2 group.