After an unexpected loss devastates the FBI task force, they must track down their assailants; a mysterious group whose agents operate using a worldwide satellite network. Meanwhile, Reddington is forced to confront a ghost from his past -- one who knows many of Red's secrets.

When bodies are discovered in abandoned woods, Red points the Task Force toward The Invisible Hand, a group that targets those whose actions are morally reprehensible yet fully legal. Meanwhile, Red steps in to assist one of his employees, and Liz discovers a major clue about Tom's investigation.

Liz and Red face off in a climactic race to find a Blacklister in possession of the duffel bag of bones, forcing the truth about the bones to finally come to light.

The task force is drawn into the investigation of an old case that has gained notoriety due to a popular true crime podcast. Red visits Dom Wilkinson for help making a difficult decision. Ressler makes a discovery about Katarina Rostova's past.

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.

Liz, Dembe and the Task Force continue to search for Red. Red attempts to escape his abductors with help from a surprise ally, but discovers he is not Katarina Rostova's only target in her hunt for information.

Red and the Task Force pay a visit to a former blacklister, as an explosive confrontation leads Liz to make a critical choice

The Task Force investigates an accountant who works for lucrative criminals in order to find the violent and thuggish brothers hired for his protection. Meanwhile, Liz must make a momentous decision.