June 30, 2022
47m
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.
July 7, 2022
47m
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.
July 14, 2022
56m
Vadim returns to Russia where his allegiances are tested, leading him to a risky stunt.
July 21, 2022
47m
With Saara in a difficult position, a revelation forces her hand. Marina moves to London.
July 28, 2022
47m
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.
August 4, 2022
47m
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?
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