TMDB 6.92023 1 Seasons
What if you lost your memory? What if a spy didn’t know they were a spy? Years ago, the top agents of Citadel, Mason Kane and Nadia Sinh, had their minds wiped. But, they’re called back to action as sinister forces emerge from the past. With the help of spymaster Bernard Orlick, these former lovers must remember the past to save the future.

The Human Enigma

Mason Kane and Nadia Sinh – top agents of the independent spy organization Citadel – collide with a nefarious, new syndicate – Manticore – leading to catastrophe. Eight years later, Mason Kane is living a quiet life as "Kyle Conroy," with no memory of his past. Until one day an old colleague enlists his help to stop a now powerful Manticore from creating a new world order.
Citadel – 1×1

Spies Appear in Night Time

Kyle and Bernard journey to New York City to steal the Citadel X Case from Manticore Headquarters before it’s too late. Later, Kyle learns that a figure from his past is still alive and he risks everything to find them.
Citadel – 1×2

Infinite Shadows

As Kyle and Nadia land at an old safehouse, small clues about their past life together bubble to the surface. Soon, they discover a former ally who may be key to stopping Manticore is imprisoned in a facility in Morocco. In order to rescue him they first have to enlist the help of a local crime boss. But their mission is compromised as secrets of the past are unearthed.
Citadel – 1×3

Tell Her Everything

After the shocking revelation of Abby’s former identity, we learn of the past entanglements between Mason, Nadia and Celeste, and a horrific decision that reverberates still today. Meanwhile, Nadia and Kyle land at the Manticore compound in Morocco and risk their lives to free their fellow spy. But their hero’s welcome is short-lived as they are forced to grapple with a dangerous accusation.
Citadel – 1×4

Time Renders Us Enemies

Nadia, Kyle and Carter are forced to work together to escape from Manticore and protect the X Case, but suspicion of one of our heroes reaches a boiling point, leading to an explosive reckoning.
Citadel – 1×5

Secrets in Night Need Early Rains

With one of their own being held hostage by Manticore, Kyle, Nadia and Carter risk everything to save them and thwart Manticore’s plans to acquire nuclear weapons. As our heroes grapple with the nuclear threat, the identity of the mole within Citadel will be revealed, as will the awful truth that everything they know is a lie.
Citadel – 1×6


Richard Madden
Richard Madden Mason Kane / Kyle Conroy
Roland Møller
Roland Møller Anders Silje / Davik Silje
Osy Ikhile
Osy Ikhile Carter Spence
Caoilinn Springall
Caoilinn Springall Hendrix Conroy
Lesley Manville
Lesley Manville Dahlia Archer
Stanley Tucci
Stanley Tucci Bernard Orlick

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