Complex sentence: The international premier of the film was at the Tallinn Black Nights Film Festival in Estonia on 23 November 2017 The film was opened in Ireland on 25 November 2017 at the Subtitle film festival, in Sweden on 6 December 2017 and in Norway on 9 February 2018.
Split into simpler sentences: The international premier of the film was at the Tallinn Black Nights Film Festival in Estonia on 23 November 2017. It opened in Ireland on 25 November 2017 at the Subtitle film festival, in Sweden on 6 December 2017 and in Norway on 9 February 2018.