It all starts when Dr Temperance Brennan finds a box on her porch.

Inside is a fresh human eyeball with GPS coordinates etched into it. They lead her to a macabre discovery in a Benedictine Monastery, and soon after she discovers a mummified corpse in a state park.  .

. . for an eye    There seems to be no pattern to these killings, except that each mimics a killing connected to something a younger Tempe experienced, or barely escaped.

Someone is targeting her, and she needs to figure out why before they strike again.   And then her daughter Katy disappears.  Someone is playing a dangerous game with Tempe. And they won’t stop until they have taken everything from her .

. . Electrifying, heart-stopping and compulsive, this is Tempe’s most personal and dangerous case yet .