Series 1
Episodes
S1 · E1 · 30 Jun 2022 · 47 min
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 ranks to analyse the malware code without permission and uncovers a greater threat missed by others.
S1 · E2 · 7 Jul 2022 · 47 min
Episode 2
Saara befriends John, a veteran GCHQ staffer, and seeks help from Gabriel in decrypting a message in the virus. Danny signs off on Saara attending a cyber conference with US agent Kathy, aware that Russian intelligence will also be there.
S1 · E3 · 14 Jul 2022 · 56 min
Episode 3
Vadim returns to Russia where his allegiances are tested, leading him to a risky stunt.
S1 · E4 · 21 Jul 2022 · 47 min
Episode 4
With Saara in a difficult position, a revelation forces her hand. Marina moves to London.
S1 · E5 · 28 Jul 2022 · 47 min
Episode 5
Signs of irregularity in the UK general election result prompt political unrest, and the nation's relationship with its allies is threatened. Saara makes a devastating discovery.
S1 · E6 · 4 Aug 2022 · 47 min
Episode 6
As the true extent of Russia's interference with the UK becomes clear, Saara and her former classmate join forces. Can they uncover the hidden code and prevent a war?
Data and images from TMDB.