While cleaning her dying mother's home, Liza finds a fortune in hundred dollar bills hidden amongst the hoards of books and magazines in every corner. Tracing its 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. Now with the mystery of Liza and the money, Joanna wonders if the two cases are connect.