Overview: The crew of the Rosalina sets sail for the British Isles. The question is, can they find the Shetland Islands when they have to navigate as the Vikings did? When the Vikings left Scandinavia and started sailing west, they were sailing into the unknown. Along the way, Nikolaj challenges modern taste buds with salted cod from Lofoten. On land, Rane looks at the Vikings' achievements and their mentality. What gave them the courage to sail out into the blue?