Charlie and Sam's lives are turned upside down when their mother is murdered in front of them then the murderers do horrific things to them. Twenty-eight years later, Charlie is involved in another horrific event and Charlie's husband calls Sam home - telling her that her sister needs her. Sam returns home and gets involved in the case - more than she wanted. As the case begins to unfold, Sam and Charlie begin to resolve their differences and work together. A great story that keeps the reader guessing as the plot unfolds. Will be reading more Karin Slaughter books!