As his trial begins, Red puts Liz and the task force on the case of a Blacklister who uses incriminating evidence to extort people -- and who Red believes can prove his innocence.

Liz and the task force make a play to uncover the truth about an international assassination in a last-ditch effort to save Red's life.

Cooper puts his reputation on the line to appeal to the White House on Red's behalf, as Liz and the task force resume their search for The Corsican, a Blacklister with ties to an international conspiracy. Samar's abilities in the field are tested.

Red and the task force hunt for legendary fugitive Robert Vesco, one of history's most notorious con men. Samar makes a life-changing decision.

Alone in a foreign country after a mission goes catastrophically wrong, Katarina Rostova goes on the run to avoid the forces trying to hunt her down.

When multiple children are abducted under similar circumstances, the Task Force rushes to find the kidnapper. Meanwhile, Red goes on the hunt for a man who can find anything, while Liz considers a big change.

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.