Johnny promised his father, wounded while fighting for the South, that he would take care of the family and not run off to fight. When there's a request to take his mules and wagon on a bold mission to supply the Rebel troops, Johnny can't resist. Then he's captured by Cush, a runaway slave. Johnny doesn't like taking orders from a black, but he has no choice. He's heading for prison camp wondering what will become of his family and himself.