The White Viking(1991)

Original title: Hvíti víkingurinn

Norway in the 10th century. Askur, son of the powerful Thorgeir marries Embla, daughter of one of the few remaining landowners in Norway, in a pagan ceremony. King Olav, a ruthless christian, wants to eredicate all traces of non-christian beliefs and captures the two of them during the ceremony. In order to free Embla, Askur must go to Iceland and convert the people there to catholicism.