Concerns the often violent clashes between the pioneering ranchers, whose cattle range freely through the vast sea of grass, and the farmers, or "nesters," who build fences and turn the sod. Against this background is set the triangle of rancher Colonel Jim Brewton, his unstable Eastern wife Lutie, and the ambitious Brice Chamberlain. Richter casts the story in Homeric terms, with the children caught up in the conflicts of their parents.