The mists of Avalon follows the women of Avalon from their childhoods through the ultimate fulfillment of their destinies in the battle between Christianity and Paganism that threatens to bring down Arthur's kingdom.

The evil Unseleighe Sidhe will do anything to prevent the rise to the throne of a red-haired child destined to ascend the throne and usher in a golden age of art, music, and literature, while the good Sidhe of Elhame Avalon race against time to find the child, protect her from the dangers of the human and elven worlds, and ensure that she will become Queen Elizabeth I of England.

Merlin's grandson, Tamwyn, and his friends race to stop the warlord Rhita Gawr from destroying Avalon.

When a handsome young warlock, the mages realize he may be trouble. But the warlock shows them a fairy map with the portal sequence that will lead the mages right to Avalon, the source of all magic.

No matter how hard they try, it seems warlock and mage magic just can't work together. Kara is determined to find a way and asks Donovan to the Ravenswood "Adopt a Beast" dance. Things get out of hand when the imp, Crumble, lets loose a warlock love spell on the mages to keep them occupied while he kidnaps all of Ravenswood's magical animals.