In a profession like this, you're bound to make enemies . . .An eye . . . 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.