Arathyn Ipswich is a young witch from the notorious Ipswich Family who are held responsible for the Salem Witch Trials. Her older brother Witchr, after suffering abuse from her Grandfather flees to England and enrolls in Hogwarts School of Witchcraft and Wizardry. In order to bring him home Arathyn enrolls at Hogwarts where she meets Harry Potter and all his friends.

As each Avatar is born two others shall also awaken, they will always come in a pair and represent the Yin and the Yang. One will wield both Air and Earth while the other wields Fire and Water, their purpose is to guide, and protect the future Avatars. In the current world of reality Avatar Aang now protects Middle Earth and Haylin and Hatsuharu protect him.

Pitch is back with a new plan, one that needs a little spark to succeed. It's up to the Guardians to stop him but first they have to retrieve the "spark" which is in the possession of the elusive Guardian of Imagination. Will the Guardians stop Pitch before it's too late or has the Guardian of Fun finally met his match?