Matt Edgars hungers for adventure. The Pony Express is the answer to his dreams. Riding fast, riding far, he brings the mail to settlers scattered across the Nevada and Utah deserts. Matt can handle the punishing sun and the poisonous rattlesnakes, but he's worried about rumors of a war with the Paiute nation. Then someone begins setting the Express stations on fire. Are these the last days for the young riders?
