When greedy land-grabber, Bloomington, destroys his family, Isaiah, knows nothing about the world, but vows to someday get revenge. He learns about good and evil by being forced to rob a bank and then capturing the gang. He learns how to live off the land from Otter Bob, the "Best Mountain Man in Texas". He learns about friendship and loyalty after saving the life of Cortina, the "Hero of the Mexican People". He learns how to shoot from Nat Love. He learns about love from Stagecoach Mary. It finally comes down to a showdown with the notorious Undertaker, who's working for Bloomington. But, there's something about The Undertaker that makes this worse since there's a rumor the he killed Isaiah's brother, Jedediah.