The Harold Pinter Theatre is re-opening with the Re:Emerge season. a three-play series featuring new talent, and it kicks of with Walden, the debut play by Amy Berryman. Directed by Ian Rickson and starring Gemma Arteton, Fehinti Balogun and Lydia Wilson, the play tells the story of NASA botanist Cassie (played by Wilson) who’s returned from a year-long Moon mission to a remote cabin in the woods, where she finds her twin sister and former NASA architect (Arteton) has created a new life with climate activist Bryan (Balogun), as the sisters try to overcome the rivalry that drove them apart.