After discovering his criminal empire is under attack, Red turns to the task force for help, leading the team to hunt an assassin who kills her victims by infecting them with a lethal disease. Meanwhile, Red enlists Tom in an undercover operation.

Liz and the Task Force hunt for an elusive criminal who will stop at nothing to destroy some of the world's most precious treasures. Meanwhile, a surprise encounter leads a cash-strapped Red toward a new business opportunity, and Tom takes action to investigate the bones in the suitcase.

When Red directs the Task Force to find a Blacklister who uses his position of power to sell sensitive information, Ressler finds himself at risk of exposure. Meanwhile, Liz plans her next move.

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.

Liz and the Task Force investigate an infamous assassin who has a long history of weaponizing diseases, but has now turned to even more insidious activities. Meanwhile, Red and Dembe travel to Cuba in search of a lead, and Aram considers a new relationship. Elizabeth Bogush guest stars.

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 organization of bank robbers with a special expertise in stealing from other criminals. An old blacklist case resurfaces.

Dembe's position as an FBI agent causes complications for Red as the Task Force handles a case involving military technology. Cooper and Park each find their personal lives increasingly complicated.

Feeling the weight of recent pressures, Aram turns to an unusual outlet for release.

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

Dembe reflects on his complicated past when he receives a concerning call from an old connection. An ambitious Congressman begins to question the Task Force's operations.

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.