Investigating the lifestyles, history and legends of Britain and its people, beginning with a look at the nation's islands. Nick Crane learns how Fair Isle's small community has become so well established and Neil Oliver visits Orkney to explore conspiracy theories surrounding the death of Lord Kitchener. Tessa Dunlop heads to the Western Isles to investigate an optical phenomenon called the green ray, and new presenter Andy Torbet becomes the first person to ascend one of The Needles of the Isle of Wight. Plus, a performance by folk singer June Tabor.