Barbara comes under Charlie's scrutiny as tragedy strikes GCHQ. Danny, Saara and Roz attempt to help Vadim escape. And Danny makes an earth-shattering discovery.
+ Episode Program Guide E P G ! !
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+ Cyber thriller with Simon Pegg and Sin Brooke. Barbara
+ comes under Charlie's scrutiny as tragedy strikes
+ GCHQ. Meanwhile, can Danny, Saara and Roz help Vadim
+ to escape?
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