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Overview

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.

Series cast

Richard Madden

Mason Kane / Kyle Co...

Priyanka Chopra

Nadia Sinh

Ashleigh Cummings

Abby Conroy

Roland Møller

Anders Silje / Davik...

Osy Ikhile

Carter Spence

Caoilinn Springall

Hendrix Conroy

Lesley Manville

Dahlia Archer

Stanley Tucci

Bernard Orlick

Trailers and videos

Seasons

Season 1

Season 1

Season overview

Episode 1 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.

Episode 2 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.

Episode 3 Episode 3

Episode 4 Episode 4

Episode 5 Episode 5

Episode 6 Episode 6