“Donnelly” (Brendan Gleeson) isn’t having a good day. He has just left his deceased wife in hospital and is getting the train home when he sits across from a young lad (Rúaidhri Conroy) who’s a bit free with his language and is, as my gran used to say, a little pass remarkable. His targets are a couple who board at the next stop and who don’t look very happy. It turns out that she (Aisling O’Sulli...