Mysterious waters, a fresh sea breeze, life on the islands, vast beaches, steep cliffs, towns with hanseatic heritage. "Mare Balticum" is the term which connects the nine countries around Europe's largest continental waters. Most of the coastline belongs to the European Union today, but the differences between countries are huge. For many centuries, the seas of the North have been both a source of subsistence and of threat to the residents. These waters facilitated the Viking rampages and subsequent trading. The residents on the coasts are a unique kind of people shaped by the sea. They are hardy, able to endure tough weather conditions, but are nevertheless open to the life beyond their shores. Close up, we experience the simple story of the North turn into a flow of strong characters and stories.