Chancy Gantry and Ollie Teal are honest cowpunchers, riding herd on fifteen hundred longhorns from Texas to Kansas. Their trail boss, Lucas Stout, is tough but fair. He’s never lost a hand on a drive and doesn’t aim to start now. So when a cowhand needs a sawbones bad, Stout sends Chancy and Ollie to escort the man to a town called Prosperity, which none of them has ever heard of. At first glance, the town looks deserted—but the saloon is full. The dusty denizens of Prosperity are happy to help the ailing cowboy, especially when they hear about the herd grazing a few miles away. Chancy and Ollie are about to discover that some towns are a lot easier to ride into than to ride out of....