As the world recovers, Stephen and Celeste face a very modern nightmare, Daniel fights to keep hold of Viktor, and Edith finally returns home, carrying a terrible secret with her.
Quest roles:
Alexander Armstrong(Himself), Aqib Khan(Vijay Babu), Julie Peasgood(Herself), Shaun McGowan(Archie Goolding), Jack Kane(Clyde), Eamonn Riley(Returning Officer), Dino Fetscher(Ralph Cousins), Sharon Duncan-Brewster(Fran Baxter), David Crellin(Stan Thomas), Simon Naylor(Policeman), Natasha Jayetileke(Channel India Interviewer), Mark Heal(Red-Faced Man), Zita Sattar(Yvonne Bukhari), Glen McCready(Voice of Signor (voice)), Reeta Chakrabarti(Herself), Krissi Bohn(Lucie Denham), Beatrice Curnew(British Expert), Simon Darwen(Wildlife Expert), Glen Fox(Office Expert), Charles Armstrong(Economics Editor), Kate Cook(Finance Expert), Callum Woolford(Lee Lyons), Aaron Ansari(Lincoln Lyons), Heather Dutton(Lesley), Simon McCoy(Himself), Julia Sandiford(Media 24 Newsreader), Siri Ellis(Alliance Staff Member), Mary Nightingale(Herself)