Eochaidh - Legend of the Horsemen

Over a thousand years ago a brave band of Knights of the Round Table agreed to enter Morganna's castle and remove an ancient spell that allowed the sorceress the ability to travel in time. But they had been betrayed, Morganna caught the young men and despite Merlin's protection, cast a spell upon them that would age them a year for every day they lived as men. Merlin did the only thing he could; he changed the men to horses so they could roam as immortals until someone could break the spell...