Shaken by Mariah’s latest act, Luke combs the city for a witness. Flashbacks reveal a fateful encounter between the Stokes and McIver families.

Presidential adviser Anna McMahon faces off with Cooper and the task force in a winner-takes-all race to locate the missing dossier containing details of a conspiracy against America.

As the president’s true plan comes into focus, Liz and the task force fight to avert disaster. Red meets in secret with a man who holds information about his past.