Ressler is forced to confront past trauma and family secrets when his brother takes him back home for a risky job.

The task force's determination to identify a Russian asset in the U.S. government puts Cooper and Reddington in increasingly treacherous positions.

The Task Force is led to an unusual suspect when the wealthy clients of an apparent escort service start turning up dead. Red and a friend attempt to recover an item after reuniting at a friend's memorial. Cooper heads to Atlanta to follow a lead on his blackmailer.

Tensions rise when Cooper’s search for his blackmailer overlaps with the Task Force’s latest Blacklist case.

While accompanying Red on a series of unusual tasks, Siya learns more about Meera's past. Congressman Hudson attempts to persuade a powerful friend to join his crusade against The Task Force.