Johnny stops by a farmhouse owned by a young widow. He learns she is being persecuted by a self-righteous neighbor who has learned she used to be dance hall girl.
Johnny Yuma comes to town for supplies and discovers that he is the victim of a conspiracy—no one will sell to him. He will starve unless he can break the boycott.
The editor of the newspaper in a frontier town tells Johnny that the town is trying a new approach to law and order. They are going to attempt to make sure that everyone in the town is unarmed.
Johnny Yuma fulfills a promise made to a dying Union soldier. He rides into Lassiter City to return a keepsake medal to the boy's family. The mother proudly receives the medal and then asks Yuma to stay on as a cowhand.
Johnny is talked into taking a temporary job as a schoolmaster. But one of his students is giving him a hard time because his sweetheart has a crush on Johnny.
Johnny comes across the camp of a group of scavengers on a cold winter night. They have been besieging the home of a family with the intent of taking over their home for the winter. The scavengers are running low on ammo and try to trick the homesteaders into giving them some.moreless
Johnny is beaten up by two ex-Union soldiers. They want to know where the gold cache worth two million dollars is but Johnny doesn't know anything about it.
Johnny finds a strange man at an abandoned Army post. The man is babbling like a crazy man. He tells Johnny he acts crazy to keep the Indians from killing him. Suddenly the Indians reappear.
Will Randall is fleeing from a posse and attempts to steal Johnny's horse. Johnny catches him and turns him over to the posse. Later, Randall's daughter tells him that her father is being framed.