Long ago, oceans away on a mystical island, lived two families, divided by an ordeal that had taken place many years before. Queen Maeve, the evil amazonian ruler of Temra, believed that it was her birthright to rule the entire island, and would stop at nothing to get her way. Vowing never to give in to her wish Maeve forms an alliance with a dark fairy Mider and gains the powers of sorcery, conjuring up forces of giants, ogres and mystical beasts to help her battle the Knights Of Kells. Despite being a warrior King, Conchobar knows his kingdom is in grave danger, and will give up his crown if it means saving his own people. But there is still one hope... A brave young warrior, Rohan, has found a piece of the ancient scroll that speaks of the warrior Draganta who will bring peace to the land for a "hundred lifetimes". A birthmark on his arm matches that on the scroll, proving him to be the kingdom's destiny. Teaming up with his friend Angus, the pair set off to find
The discovery of an ancient scroll leads a druids apprentice named Rohan on a quest to save the Kingdom of Kells from the advancing evil of Queen Maeve of Temra. Joining him is his mischievous friend, Angus. They are soon enough joined by a prince from a foreign land named Ivar and Princess Deirdre of Kells on the way to Tir Na Nog.
Rohan, Angus, Ivar and Deirdre arrive in Tir Na Nog, where they meet King Fin Varra of the little people. Fin Varra tests them of their worthiness of mystic weapons that will ensure peace to Kells.
Rohan battles the Ice Lord of Temra to claim his armor and become the Mystic Knight of Fire. Meanwhile, the others encounter the Dragon of Dare.
The Mystic Knights have to retrieve their weapons and break the spell over Garrett, who Cathbad believes will become the Mystic Knight of Forest.
Rohan and Angus take Garrett to Tir Na Nog where is to be tested of his worthiness as the other Knights were. Once acquiring the powerful Twin Timber Axes, Garrett must claim his armor by journeying into the dangerous Banshee Woods.
Deirdre battles the Lightning Bat of Temra to gain her armor as the Mystic Knight of Air. Meanwhile, Maeve lures Rohan into a trap where he faces the evil Tash Hound.
Ivar seeks to claim his mystic armor, but is torn between his quest to find his kingdom's stolen chalice and his pledge to aid Rohan and defend Kells.
Angus must battle the most ferocious of the Evil Sentinels, the Rock Wolf, to take claim to his mystic armor. But Maeve's soldiers kidnap Angus and imprison him in the castle dungeon.
The Mystic Knights attempt to tame Pyre, but are stopped by the four Sentinels, now under Maeve's control.
The Mystic Knights must battle the Sentinels and tame Pyre without their mystic weapons and armor.
The identity of Draganta is shockingly revealed to be Rohan, which causes divisions between the rest of the Mystic Knights. As Rohan doubts this revelation, Maeve casts a spell on the others to turn them against Rohan and each other.
Mider demands Maeve help him defeat Fin Varra in order to become ruler of Tir Na Nog.
Maeve's sorcery turns Pyre against the Mystic Knights and Kells. The Knights must find a way to regain control over Pyre before King Conchobar's men destroy him.
Maeve tricks Rohan into reading a scroll that releases the dreaded three-headed dragon, Tyrune.
The other Knights must restore Rohan's lost confidence and find a way to break the chains on Pyre in order to defeat Tyrune.
Maeve uses Aideen's jealously of Deirdre to turn her into stone.
Cathbad's powerful druid mentor comes to Kells with evil intentions.
A mysterious gift leaves King Conchobar sick and bed ridden, which leaves Deirdre in charge of Kells. But her inexperience as queen leads to a disastrous decision for the kingdom.
As preperations are made for a yearly festival, Angus claims evil spirits tried to carry him off into the otherworld. No one else believes him until spirits actually come to the castle. But are these the otherworld spirits or just a sinister plot?
Aideen desires to become human and ends up going to Maeve, who only asks for a lock of Deirdre's hair in return. While Aideen is indeed turned into a human, her agreement with Maeve causes Deirdre to be captured.
Prince Garrett of Reged arrives in Kells to seal a new alliance between the two kingdoms: a royal wedding between him and Deirdre. However, Garrett's over-confident attitude earns him only disdain from the four Mystic Knights.
Maeve casts a spell over Garrett and uses him to lead Temra forces against Kells.