In early 20th-century Montana, Col. William Ludlow lives on a ranch in the wilderness with his sons, Alfred, Tristan, and Samuel. Eventually, the unconventional but close-knit family are bound by loyalty, tested by war, and torn apart by love, as told over the course of several decades in this epic saga.

In South Dakota, in an Indian reservation, an old storyteller Indian asks his grandson Shane, who is in trouble owing money to some bad guys, to take his old pony and him to Albuquerque to the great powwow, an Indian meeting. While traveling, Grandpa tells mysterious Indian tales of love, friendship and magic.