The voyage through the islands of Denmark continues with a visit to Ærø where Paul and Sheryl take a night tour through the fairy tale town of Ærøskøbing with the nightwatchman. They hire an electric car and learn about the island's use of solar and wind power. In Marstal, they learn about traditional shipbuilding methods at the Seafaring Museum and then sail up island to Copenhagen where they moor in the Nyhavn Canal and explore the heart of the city.