An old woman, a hoarder, is dying of emphysema in Great Barrington, Massachusetts. In cleaning out her house, her daughter, Liza Machett, discovers a fortune in hundred dollar bills hidden in the tall stacks of books and magazines that crowd every corner. Tracing the money's origins will take Liza on a journey that will end in Cochise County, where Sheriff Joanna Brady is embroiled in a personal mystery of her own. A man she considers a family friend is found dead at the bottom of a hole in a limestone cavern near Bisbee.