John Gallagher returns to his home in Dublin to begin the journey of searching for the history of his surname. He meets Adrian Gallagher and learns that the Gallagher clan have a mention in the Guinness Book of Records. He meets Dr Pádraig Ó Liatháin who tells him about The Gallagher Family Commonplace Book, which is in the Burns library in Boston, and he learns about the famous Rory Gallagher now celebrated at Ballyshannon Museum