This journey takes place in the northern islands collectively known as Obelia Gulf. In this harsh land, the young adventurer, Adol Christin, encounters the Normans, a seafaring tribe, and is quickly drawn into the conflict between them, the townsfolk of Obelia Gulf, and the Griegr, undying monsters with mysterious agenda. Partnering up with the Norman warrior, Karja, Adol must take to the waters of Obelia Gulf, navigating vast stretches of ocean, consulting maritime maps, and even getting into naval battles with enemy ships.