The hunter becomes the hunted as FBI Agent Jo Pullinger fights to survive the ultimate game of cat and mouse. Special Agent Jo Pullinger is thrilled to chaperone her niece's school field trip. It is supposed to be a relaxing day away from the stresses of her job. But all of it changes in an instant when the call comes in that there is a bomb on the school bus. The bomber calls himself Graff, and he wants Jo to know that he is...