When the herd refuses to drink or cross a river, Favor sends for a vet and a one-armed man shows up wanting drover job. Rowdy learns the cattle need salt and the new hand knows where to find it nearby. However, he doesn't want to go there.
The dying cattle won't cross the river or drink water because they are not thirsty because they lack salt in their diet because they have been traveling over and eating burnt-out grass. Tom Cowan, a newly hired one-armed drover tells Favor that there is an old rock salt mine at Murtry, owned by the local banker. Favor orders Cowan and some of the drovers to travel to Murtry to get the salt to feed the cattle. Cowan demurs, but Favor orders him to go along. We soon learn the reason for his reluctance: 10 years ago Cowan had just married Jenny Conway, local girl at Murtry. He robbed the local bank of $100 to buy a wedding trip, was caught by the law, but the despotic, controlling banker (Everett Sloane) offered him this deal which he accepted: go free, take $500, never return, and join the Army (at time of the Civil War) in the name of the banker's son. Cowan lost his arm in the war and had a letter sent stating that he died in the war, so as not to be a burden on Jenny, who knew ... Written by