In the Wyoming town of South Pass to solve the mystery of his partner's death, Linc wins the love of a fascinating woman and becomes involved in a range war.

Tappan's burro: A prospector named Tappan rescues a sickly, lop-eared baby burro and does not realize that this is to be one of the most important things he will ever do. Black Jack: "Black Jack Hollis had been killed as Elizabeth Cornish watched. Recklessly, joyously, his black hair flying, Jack had ridden into town to see his infant son. Then a shotgun, fired from a window, had blasted him from his horse and flung him to his death in the street....