A father charged with treason. A daughter sent to kill him. A shocking conspiracy that changes all the rules of the spy game for a new generation . . . With more than a dozen kills under her belt, ex-Marine Mara Roberts is one of the Agency's most reliable assassins. But her latest target--a convicted traitor about to be released from prison--is different than her other marks. He's a former agent who betrayed his country. He's responsible for the...