
The Undeclared War
The battle line is online
In the post-pandemic world of 2024 during an upcoming British general election involving the UK’s first Black Conservative prime minister, a leading team of analysts at the heart of the UK’s NSA-style spy agency GCHQ attempt to ward off a cyber-attack on the country’s electoral system.
Episodes

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.

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.

Episode 3
Vadim returns to Russia where his allegiances are tested, leading him to a risky stunt.

Episode 4
With Saara in a difficult position, a revelation forces her hand. Marina moves to London.

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.

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?
Trailers & More
About The Undeclared War
- Creators
- Peter Kosminsky
- Cast
- Hannah Khalique-Brown, Simon Pegg, Maisie Richardson-Sellers, Adrian Lester, Sian Brooke
- Genres
- War & Politics, Drama, Sci-Fi & Fantasy
- Content rating
- NR
- Original language
- English
- Production countries
- United Kingdom, United States of America
- Status
- Ended
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