When Red is sent to a federal medical institution following his request to the court for a psychiatric evaluation, Liz and Jennifer use his time away to search for a Blacklister they believe may have valuable information about Red's past.
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.
The task force searches for a woman who specializes in hostile takeovers of criminal organizations and may have intelligence about a conspiracy involving a presidential advisor; Aram enacts a daring plan to gain leverage over Red.
Liz and Ressler investigate a Blacklister who offers to erase gambling debts - at a deceptively high price; Dembe grows concerned as Red tests loyalties of their business associates in search of the person who turned him in to the police.
Red and the task force spring into action to stop an anti-capitalist terrorist group from kidnapping and torturing the children of the one percent. Ressler goes behind Liz's back to find out what happened to her mother, Katarina Rostova.
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. Out of options, she seeks the only person she trusts: a man who has vowed to always protect her.