Brad and Lila flash back through their history together as they plan to save Amy. The Secretary of Defense gives Horace Guilder (guest star James Le Gros) full authority over Project NOAH, leaving Sykes and Richards terrified for what his plan of attack might entail. Meanwhile, the bond between Amy and Carter is stronger than ever, as he prepares her for Fanning's grand plan, and Lear fights to help Elizabeth before it's too late