The Navajo Tribal Police investigate the murder of a medicine man. At the crime scene is a partially completed pictograph. One clue sends a chill through a young officer: the arrow used in the killing has a tip of human bone, a sign that a Navajo spirit - a "skinwalker" - is at work.

All the pretty horses: In the 1940's, two young Texas cowboys ride into Mexico. Cowboy up: In the world of professional bull riding, newcomer Ely is the craziest guy around. His brother, Hank, is a rodeo clown, and they use each other to play up their acts. When Ely falls for the rodeo's sweetheart, Hank is filled with jealousy and hatred. The brothers try to come to grips with their differences, but the competition gets as fierce as the bulls in...