Jessie is an ordinary human girl whose seemingly ordinary grandmother is actually a fairy queen. When Jessie find the invisible door to the Fairy Realm, she enters a magical world full of elves, fairies, gnomes, miniature horses, mermaids, storytelling furrybears, fearsome griffins and unicorns.
In this story, the world of the Fairy Realm is in great danger, and so is the human world! The wicked creatures of the Outlands are planning an attack, and Jessie faces a terrible decision: she can only save one of her two worlds - unless she can convince the secretive and powerful unicorns to help her.
