Adrian learns about the history of Malin Head, the northernmost tip of mainland Ireland, site of the first-ever commercial message sent by Marconi to a ship via wireless in 1902. He meets motorcycle champion Michael Dunlop, who has won the treacherous Isle of Man TT race 19 times, before visiting the remote fishing village Carrick-a-rede and the Giant's Causeway. He ends his journey in the Mourne Mountains in Rostrevor, which are said to have inspired Belfast-born C.S. Lewis to create the magical land of Narnia.