The Neanderthals are hunting again, their prey, the gentle Bigfoot. Brutally butchering whole families at a time, only two Bigfoot youngsters are spared to become beast of burden to carry and pull heavy loads. The youngest Harra, is trained to do domestic chores, and to forage for editable plants and herbs used for food and healing. While foraging, she ate a strange root, that enhanced her mental communication skills. Leaving the cave people, she joined other Bigfoot who had escaped. The Neanderthals out to recapture them, gave chase across the tundra. The Bigfoot crossed the ice bridge over...