Stone County, Indiana -- a stunning landscape of rock quarries, caves and underground rivers -- is a place of unique beauty . . . and a place marked by an unsolved tragedy. One warm night sixteen years ago, sisters Jenna and Amanda Kirk disappeared. Days later, Jenna was found wandering alone, with no memory of what happened . . . and no knowledge of her sister's fate.While the girls' mother spun the tragedy into political victory by becoming the state's first female lieutenant governor, Jenna became overwhelmed by nightmares and guilt. Now, desperate to uncover the truth about what happened that night, Jenna returns to Stone County. But the family's Victorian home seems more of a haunting ground than a haven as Jenna begins to suspect someone is trying to frighten her away.To hurt her. And as memories begin to surface, Jenna is gripped by a growing fear about the place and about the people closest to her. Because the labyrinthine caves of her childhood are hiding old secrets . . . dangerous, deadly secrets.And Jenna must face her own darkest terrors to expose a legacy of murder carved in stone.