For the final leg of his journey, Paul Murton heads to the northern Shetland islands of Fetlar, Unst and Yell, which were once part of Norway. Along the way, he meets the members of a male vocal group who came together to celebrate their Norse heritage, gets a close view of wild otters, and fulfils a longheld ambition to visit Out Stack, the rocky outcrop that is the northernmost point of the British Isles