Seasons & Episodes
EP 1
Episode 1
A young intern's first day at GCHQ coincides with a major cyberattack on the UK. To win her superiors' trust, she breaks
EP 2
Episode 2
Saara befriends John, a veteran GCHQ staffer, and seeks help from Gabriel in decrypting a message in the virus. Danny si
EP 3
Episode 3
Vadim returns to Russia where his allegiances are tested, leading him to a risky stunt.
EP 4
Episode 4
With Saara in a difficult position, a revelation forces her hand. Marina moves to London.
EP 5
Episode 5
Signs of irregularity in the UK general election result prompt political unrest, and the nation's relationship with its
EP 6
Episode 6
As the true extent of Russia's interference with the UK becomes clear, Saara and her former classmate join forces. Can t
EP 1
Episode 1
EP 2
Episode 2
EP 3
Episode 3
EP 4
Episode 4
EP 5
Episode 5
EP 6
Episode 6
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