Four young knights, Rohan, Deirdre, Angus and Ivar, defend their ancient homeland of Kells from attacks by the evil Queen Maeve who is intent on ruling the island kingdom. The knights bravely resist Maeve's dark sorcery, battling giants, ogres and evil mythical creatures. Their quest to restore peace to the land leads the knights to discover their mystic armor and their dragon ally, Pyre, who joins them on adventures filled with danger, magic, and the roguish little people who inhabit the enchanted underworld of Tir Na Nog.
As the war turns against her, Maeve pulls out her secret weapon that was bred by her teacher Nemain: Lugad, a monstrous warrior.
Lugad helps turn the tide of war for Temra as the Knights must figure a way to stop him. Rohan undergoes a dangerous test to gain the powerful Battle Fury armor.
Rohan faces Lugad one on one and makes a stunning discovery that links them together.
Rohan must try to convince Lugad of the truth about them.
Captured by Maeve, Rohan is shocked to learn the secret of his origins.
Contemplating leaving Kells, Rohan decides to stay and fight as Garrett returns to aid in the battle.
