Men and women live in a giant silo underground with a lot of regulations which they think are supposed to protect them from the toxic and ruined world on the surface.
The scripted drama will adapt Bernard Cornwell's trilogy of Arthurian novels, The Warlord Chronicles. In the first book, Derfel Cadarn, a former warrior sworn to Arthur and now an elderly monk, tells the story of how Arthur became warlord of Dark Age Britain despite illegitimacy to the throne.
The Suspicions of Mr Whicher is based on Kate Summerscale's account of a Victorian murder case that shocked the whole country.
Detective Inspector Jack Whicher finds himself traveling to a remote country house where he investigates the murder of a young child. He soon manages to discover a web of lies and concealment amid the family living there, which he thinks vindicates the police's chief suspect in the murder case.