Arn has to endure so much before he can get the love of his life Cecilie, who has been put away in a monastery.

The long and storied history of the French warrior monks who fought in the Crusades, formed a powerful banking empire in Europe and collapsed under the weight of rumors that they had captured both the Holy Grail and the Ark of the Covenant.

The Crusades: An Arab Perspective is a four-part series produced by Al Jazeera English, which presents the dramatic story of the medieval religious war through Arab eyes. The series provides a new perspective on the history of the Crusades for a global, English-speaking audience, that has largely read about or studied the famous struggle from a primarily Christian and Western point of view.