After being dosed with poison, Red must retrace his steps to discover which of his closest allies has betrayed him, while the task force races against the clock to find an antidote that will save him.

Liz abandons her old life and seeks out a fresh start in a place where no one knows her history, her name, or the depths of her grief. When an unexpected threat finds her, she is forced to draw on her emotional and physical strength in a brutal fight for survival.

When an associate of the Nash Syndicate is murdered, Red sets Liz and the Task Force on the case in order to recover evidence crucial to bringing down Ian Garvey. Meanwhile, Aram considers a step forward in his relationship with Samar.

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.

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.

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.

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.

The task force investigates the apparent disappearance of a defense contractor. Cooper receives an unexpected offer and Red makes a connection.

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

The task force's investigation into Arcane Wireless, an untraceable cellular network for criminals, leads to unexpected consequences. Red races against the clock to get a colleague out of trouble.

The Task Force works to infiltrate a high-stakes poker game tied to Wujing with the help of new team member Siya Malik. Red and Cooper have opposing tactics when Agnes is bullied at school.

When Dr. Laken Perillos resurfaces to join Wujing's crusade against Red, a member of The Task Force is put in danger.

It's the task force versus Hudson and his agents as they chase down Red — who stays one step ahead of them. Zuma's transgression is caught on camera.

The future of the FBI's Reddington Task Force is decided.