After returning the body of Gus McCrae to Lonesome Dove, Woodrow Call takes on the challenge of driving a herd of wild mustangs 2500 miles north to the Hat Creek Ranch in Montana. But tragedy, triumph, despair and deceit will greet him before he ever gets there.
Captain Call's return to his Montana ranch sees him try to patch things up with his son Newt. Meanwhile Clara is attacked by the hired gunmen of a rival rancher and she must defend herself with her trusty six-shooter.
