When children across Washington, D.C., all start talking with the same imaginary friend named Drill, who persuades them to play dangerous games, the FBI calls in child specialist Claire Bennigan - whose deaf son has been speaking to Drill, unbeknownst to her - to investigate. Meanwhile, the defense department sends Wes Lawrence to the Sahara Desert, where he encounters a strange geological phenomenon. As puzzle pieces come together, creating a frightening picture, humanity must wage a battle against unseen forces if it hopes to survive. Written by Soumik Ghosh

Two veteran CIA officers Sandra Grimes and Jeanne Vertefeuille who hunted down CIA officer Aldrich Ames, a mole who fed information to the Soviet Union that contributed to the deaths of at least ten Soviet intelligence officers who had spied for the United States. Written by Sandra Grimes