A runaway train manned by cowboy ghost Calvin Calhoun and his hoard of stolen gold races across the desert plains - the result of an ancient curse placed on the gold by the Native Americans it was stolen from. While Charles, Tara and Edward become mesmerised by the shining gold, Henry is immune because of his sunnies. While Calhoun turns Tara, Charles and Edward into bank robbers, Henry uses some free-style action to defeat Calhoun, stop the speeding ghost train and save the day.