The play concerns two retired nuclear physicists, the married couple Hazel and Robin, who live in a remote cottage on the British coast.
[1] The play premiered in London at the Royal Court Theatre, running from 17 November 2016 through 14 January 2017.
The cast featured Francesca Annis, Deborah Findlay, and Ron Cook, directed by James Macdonald.
[8] The Steppenwolf Theatre in Chicago ran a production of the play, directed by Jonathan Berry, from 18 April to 9 June 2019.
[9] The Houston premiere of the play, directed by Brandon Weinbrenner, ran at Rec Room Arts from 9 November to 7 December 2019.