In Finney's Promise, the Lone Ranger and his faithful companion Tonto arrive in a struggling frontier town where they meet John Finney, an old rancher who has spent nearly thirty years trying to cultivate a barren valley. Finney is on the brink of giving up, believing that his dreams of prosperity have been futile. He is ready to leave the valley, disheartened by the lack of progress and the departure of other settlers who once shared his vision.