 A desperate soldier turns up at Lucas  ranch seeking to get a horse at gunpoint. He has been wounded during an escape from his cavalry unit, and in a quick turn of events, Lucas finds himself caring for the soldier. A cavalry detail turns up, and Lucas learns that the soldier is wanted for desertion. Lucas discovers that the commanding officer is placing all of his men in jeopardy with his brutally excessive views of discipline. Lucas finds he has to take aggressive action to save the life of the soldier for whom he was caring from the firing squad.