Dorn is after the rancher's land and is trying to stop Banker Brady from helping them. When his man Hammond kills Brady, there is a run on the bank. When Rocky volunteers to ride to the next town for money, he is ambushed by Dorn's men, loses his memory, and is jailed for supposedly stealing the money.
11 year old Davy discovers that a chained gentle dog, Buck, is badly wounded around the neck because of the thick, tight collar he is made to constantly wear by his unfeeling owner. When Buck comes through the fence and becomes stuck, Davy removes the collar. Even though the boy tells him to stay in his owner's yard, the dog follows him home.