Series 2
6 episodes · premiered Jul 21, 2026
The elite Malware Department at GCHQ grapples with the aftermath of a devastating Russian cyber-attack. Just when it seems the UK has gained the upper hand, Danny and his team discover a mole in their midst and uncover a far more dangerous threat.
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E1 Episode 1
As Danny deals with the fallout from the Russian cyber-attack, a bold new threat emerges.
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E2 Episode 2
Vadim finds himself working for the Chinese. Danny and Roz clash, and the mole hunt is on.
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E3 Episode 3
Barbara faces an impossible decision when her charming ex-boyfriend Nicky Chan re-appears.
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E4 Episode 4
A malware attack on British government departments forces Danny and Roz to work together.
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E5 Episode 5
Charlie interrogates Barbara, and Danny discovers a clue that turns his life upside down.
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E6 Episode 6
Danny puts everything on the line in order to right some wrongs.