It started broadcast on RTÉ One in Republic of Ireland on 26 November 2018, and two days later in the UK on BBC Two.
[3] The show was filmed in County Fermanagh[4] and at Springhill House, near Moneymore in County Londonderry in Northern Ireland [5] Cubbit revealed that the series was a "Brexit warning", saying "we can't afford to go back" to how things were before the Northern Irish peace process.
[6] Red Arrow Studios distributed the series, and the first episode premiered on BBC Two on 28 November 2018.
[11] Gerard O'Donovan of The Daily Telegraph gave show four stars out of five, calling it "the rarest of dramatic gems - one that pushes and challenges understanding - and it's impossible not to be drawn in.
"[12] The Times' Carol Midgley was slightly more critical, deeming it "a heavy drama with lean dialogue and precious little mirth, but I'm being seduced.