Watch Arn: The Knight Templar (2007) HD Full Movie Free on SolarMovie. Watch Arn: The Knight Templar (2007) online free. Arn, the son of a high-ranking Swedish nobleman, is educated in a monastery and sent to the Holy Lan...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.