As the massive glaciers fade and the wide seas rise, the warm grasslands of the Americas bring prosperity to the gentle People of the Red World, followers of the Great Ghost Spirit, the White Mammoth. But farther north, where the harsh dry winds howl, another nation, the People of the Watching Star, are enmeshed with legends of an evil shaman and the man-eating monster called the wanawut. Relentlessly they have hunted the mammoth to near extinction.