A One-Round Living Greyhawk Keoland Introductory Adventure
From the introduction:
The last few years have seen the Earldom of Linth has been blasted by both physical confrontation and spiritual assault. After a forced evacuation, the court of the land has declared Linth to be habitable again, and a stream of people has started to return to their lands. However, the returning refugees are finding that not everyone left Linth, and that life in the Earldom is about to change.
Note: This adventure is playable by first level characters only.