Three piss-drunk Irishmen leave the pub... Three piss-drunk Irishmen, (Grady, Colin and young Danny) leave the pub one foin moonlit night and, seeing one of Ireland's oldest and most iconic castles in the moonlight, sentimentally decide to do a late-night tour. They stumble up the steps and rap on the door with the big iron knocker. There is no answer, and they stagger inside. It is dark and cold inside, but the three drunks amble on. They come upon a large hall full o' tasty treats that no drun…