It's up to Zack to help Merlin and Arthur reclaim the magic sword Excalibur and return Arthur to his rightful place on the throne.
Uthur Pendragon (Gabriel Byrne) is given the mystical sword Excalibur by the wizard Merlin. At his death, Uthur buries the sword into a stone, and the next man that can pull it out will be King of ...