(from the back of the book)
Twelve cities want to be the starting point for the legendary Donnersturm races, including Donnerbach, Brig-Lo, Neetha and Winhall. Some of these cities are involved in events of that may be presumed that the Goddess Rondra wants to test her followers. In four adventures, the heroes witness the way to teh Donnersturm and immerse themselves in a world permeated by the spirit of Rondra. In the north of the Middle Empire an ancient evil has to be defeatedin, in Chababia the theft of a temple treasure must be investigated, in Almada cultists create strange phenomena, and in Albernia it is necessary to assist an aging Rondra devotee.