Dunbar, working on a ranch in the Niobrara country in Wyoming, connects the death of a hardscrabble homesteader with the death of an old horse trader some fifteen years earlier. As Dunbar goes to work on a corral project in town and then on fall roundup, more murders take place-a wandering drunk who has picked up gossip in an alehouse, and then the proprietor of the alehouse. People who know too much are being silenced. An old woman named Verona...