The comedian enjoys a once-in-a-lifetime, 600-mile road trip around the Emerald Isle, taking a deep dive into Irish culture. He continues in Lisdoonvarna, Co Clare, where he meets Ireland's last traditional matchmaker, Willie Daly, and his world famous magic book at a 200-year-old festival. John then travels to Knock, Co Mayo, where he meets Fr Richard Gibbons, and finds out why, despite having a permanent population of less than a thousand people, the village annually hosts more than one-and-a-half million visitors who travel there from all over the globe.