Where is airing: BBC One
How many episodes in 4 season: 6 episodes
As 2 Section prepares to return to Afghanistan, Georgie must decide whether to join them, kicking up difficult memories for her.
Trying to shake off her resurging grief for Elvis, Georgie leads efforts to support a risky medical outreach program.
Georgie unearths vital intelligence that sends 2 Section on a dangerous mission to rescue Dr Bahil.
2 Section's rescue mission has devastating consequences, leaving Georgie's future in the army hanging in the balance.
Georgie fears her army career is over after painful sessions with the psychiatrist. So when she makes a shocking discovery about Omar, will she do the right thing?
It's a race against time as Georgie's suspicions about Omar simmer and attacks on election day ramp up.
