"With its peaceful, hardworking Amish population, Lancaster County, Pennsylvania, is a rural paradise. But former NYPD homicide detective Elizabeth Harris knows that evil lurks there-it's just easier to hide . . . By solving the murders of two local girls, Elizabeth has gained some trust in the Amish community. So, she's the first person its members turn to when a fast and fatal illness takes hold, though many believe that the sickness stems from a hexerei -a curse placed by a practitioner of old-world folk magic. Elizabeth doesn't believe in curses, and when an entire Amish family is found dead, she begins to suspect something far more sinister . . . As the CDC is called in to investigate, customers of a Philadelphia farmers market selling Amish raw milk start dying. Amid rapidly escalating panic, Elizabeth must peel away layers of superstition and fear to save the livelihood-and lives-of an entire community. Because what has happened isn't an accident of nature or an act of God, it's the handiwork of someone who has only just begun to kill . . ."