Arn, the son of a high-ranking Swedish nobleman is educated in a monastery and sent to the Holy Land as a knight templar to do penance for a forbidden love.

Joakim Nätterqvistas Arn Magnusson
Sofia Helinas Cecilia Algotsdotter
Stellan Skarsgårdas Birger Brosa
Michael Nyqvistas Magnus Folkesson
Mirja Turestedtas Sigrid
Morgan Allingas Eskil Magnusson
Sven-Bertil Taubeas Bishop Bengt
Bibi Anderssonas Mother Rikissa
Gustaf Skarsgårdas Knut Eriksson
Simon Callowas Father Henry