Gabriel Byrne and Geraldine James will lead the world stage premiere of “ 45 Years ,” Hannah Patterson’s theatrical adaptation of Andrew Haigh’s 2015 film, directed by Prasanna Puwanarajah , at the Minerva Theatre, Chichester, U.K., from June 12 to July 11. The story centres on a couple in the days before their anniversary celebrations, whose relationship is quietly upended when a letter arrives from Switzerland – connected to the decades-old discovery of a woman’s body preserved in glacial ice.