At twenty-nine, research scientist Kate Denby was a workaholic, divorced, the mother of an eight-year-old son. And she was weeks away from making a major genetic breakthrough. If she lived that long... Danger has arrived in Kate's backyard with a vengeance, starting with an explosion at a Seattle pharmaceuticals plant and a car bombing at her son's Little League game. Then came the shocking warning: the attacks were connected and she was the next target.