A love as eternal as the midnight sun

Seeking revenge against the rival clan responsible for the killing of his father, Hagbard calms down long enough to establish a truce. During a peaceful interlude, he falls in love with Signe, the daughter of the king of the rival clan. However, Hildegisl, who desires Signe's hand in marriage, disovers the young lover's plans to wed and sets out to bring about the end of Hagbard.