The Diamond Princess glides into the port of Busan in South Korea, where Nigel and Caitlin from Oldham are swept up in the spectacle of the Gamcheon Culture Village, a vibrant hillside community with brightly painted houses and maze-like alleys. In Alaska, four guests have their hearts set on witnessing the majestic Mendenhall Glacier, a natural wonder carved over thousands of years, and in the Mediterranean, ship's dancers Jess and Amber charter a small boat to explore caves on the island of Corfu.