[1] The first series, set in Amsterdam, was broadcast on BBC One starting in February 2019 and is written by Harry and Jack Williams, who also wrote The Missing.

[3] The show uses one of the central characters from the TV series, The Missing, the detective Julien Baptiste, played by Tchéky Karyo.

All is not as it seems with Edward and the show also introduces Kim Vogel, who has a criminal history and Constantin, a Romanian national who is seen murdering and dismembering a victim at the start of the programme.

[5][6] The BBC announced in April 2018 that a spin-off from its successful The Missing series would go into production and was set to be broadcast in 2019.

[10][11] Most of the action for the first series was set in Amsterdam in the Netherlands; although some exterior scenes were shot there, some were actually filmed in Antwerp and Ghent in Belgium.