Riding into Fort Smith, Arkansas, Sundance had to kill a man who ambushed him. He received an instant death sentence from the infamous Hanging Judge. Then, on the morning he was to be hanged, the Judge offered him a deal. If Sundance delivered the feared half-breed outlaw Joe Buck, he would be freed. But Sundance remembered the old days when he and Buck had worked together to help their people. If it came down to that, could he kill his old partner?