When Dusty Fog was ambushed and nearly killed by a band of hired killers, only the intervention of a friendly stranger saved his life. From then on, Dusty knew he had to obey the Texan code of honor and repay his debt to Raymond Sangster without hesitation.
However, the small Texan did not envisage the cost of settling his debt of gratitude—for the price was the building of a railroad across the land of a good friend—and a threat to the unity of Ole Devil Hardin's floating outfit.