The Odyssey of Jubal Tanner - S8.E36

Aaron, sweet on saloon girl Leah and wanting to make her his wife, is attacked and killed by Colie Fletcher. When Matt goes after him, Colie runs into Jubal Tanner, wounds him, and steals his horse. Jubal, ungrateful to those who help him, meets Leah, and each helps the other's outlook.