Synopsis
Section D are forced to welcome an FSB Officer onto the Grid to help track down Aibek, a rogue nationalist from the ex-Soviet state of Azakstan.
Aibek is in the UK to find the last known sample of the nerve agent 'Paroxocybin'. The chase is on, but will the team find a way to stop the nerve agent falling into the wrong hands without ruining Anglo-Russian relations?
Meanwhile, Lucas's personal life takes a passionate turn.
Nicola Walker
Hugh Simon
Rupert Penry-Jones
Matthew MacFadyen
Richard Armitage
Keeley Hawes
Hermione Norris
Hermione Norris
David Oyelowo
Max Brown
Lara Pulver
Lara Pulver
William Hope
Anna Chancellor
Sophia Myles
Natasha Little
Amy Lockhart
Shauna Macdonald
Gemma Jones
