From the back cover:
The Storm Clouds Gather
As the adventurers are beset by a torrential storm they must take refuge in a secluded village. Seidel, a small hamlet, is tucked into the ominous shadow of the Karster Mountains. Unfortunately the mountains are not the only thing casting a dark pall over the population.
The people of Seidel are besieged by the raging storms and a host of curses. Their livestock id devoured by an unseen beast. Bandits skulk along the roads. Sickness ravages both body and mind leaving only the dead in its wake. The unliving haunt the woods and scream of theis agonizing existence. No help is to be had, for no one has survived leaving the village.
The adventurers must unravel the mysteries cloaking the village as their lives depend on it. For, once they enter these lands, they wil be hard pressed to survive the dark and stormy night.
An adventure in the D20 system for characters of 6th to 8th level.