Michael Portillo is in the glens of Antrim, where Ireland's folklore and magical myths flourish and he is transfixed by tales of fairies and legends of the sea.At the entrance to Belfast Lough, in Whitehead, he discovers a glorious museum, which tells the story of Ireland's railway heritage. Meanwhile, on the seafront, Michael joins a crew belonging to the Whitehead Coastal Rowing Club as they prepare to race.At the medieval Carrickfergus Castle, Michael learns of the town's important role in the history of Ireland, when William of Orange landed at its harbour and went on to fight the Battle of the Boyne.