The Task Force investigates a series of attacks on data centers perpetrated by a blacklister with a peculiar condition, as Liz conducts a secret investigation on the side. Meanwhile, Glen desperately tries to prove his value to Red after a shipping mishap.

A blacklist case forces Liz to choose sides between Red and the Task Force. Meanwhile, Red tries to calm a panicked Ilya Koslov, who believes he is under surveillance.

Liz and the Task Force take on a cold case that may have some new victims. Meanwhile, Red tries to help a friend of Dembe who is in danger.

Fueled by his betrayal, Elizabeth Keen seeks vengeance on Reddington.

As Red and the task force search for Liz, she sets a new plan in motion that has catastrophic consequences.

The task force investigates an organization of bank robbers with a special expertise in stealing from other criminals. An old blacklist case resurfaces.

In a retrospective look at key turning points, steps are retraced that lead Elizabeth Keen to align with a powerful enemy.

The Task Force hatches a plan to steal a Soviet-era cipher machine needed to decrypt coded messages. Townsend puts Liz's loyalty to the test. Red and Dembe are called to an unexpected meeting.

Liz and the Task Force track new leads in their investigation of N-13, while Red takes steps to infiltrate Townsend's criminal organization.

The Task Force springs into action to stop an elusive assassin on Liz's trail.