Episode 1
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Explosives Officers Lana Washington and Joel Nutkins are called out to investigate a potential bomb factory in a London housing estate, but there's no sign of the bomb makers.
The EXPO team are stretched to breaking point dealing with a complicated device planted at the Campaign HQ. Lana tells Karl something important.
Contains violence, terrorist danger and frequent strong language Turn on Parental controls
Time is running out for Vicky McClure in this explosive thriller
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