Virginia, une jeune new-yorkaise et son père Tony sont catapultés a travers un miroir magique dans un univers parallèle, les Neuf Royaumes, où les contes fées sont une réalité. Un univers peuplé de Trolls, de Géants et de Lutins... Où Cendrillon, Blanche Neige et Le Petit Chaperon Rouge deviennent les grandes reines des Neuf Royaumes...

Après avoir faussé compagnie aux Trolls, Virginia et ses compagnons se lancent a la recherche du miroir magique qui leur permettra de rentrer a New-York. En traversant une foret magique, ils découvrent la maison des Sept Nains, dont on avait perdu toute trace. Mais Virginia est victime d'un terrible sortilège...

Le 4ème Royaume est envahi par les troupes du roi des Trolls. Au Parlement, on ne s'explique toujours pas la disparition du Prince Wendell, dont le couronnement est remis en question. Une action militaire doit être envisagée. Virginia tente de sauver Wolf, condamné a mort pour le meurtre d'une jeune bergère...

Le roi des Trolls est devenu incontrôlable, ses troupes ont envahi le 4ème Royaume. La reine tente de mener a bien son projet: prendre sa revanche et placer son faux prince sur le trône, afin de pouvoir régner sur les 9 Royaumes. Virginia pénètre dans le sanctuaire de Blanche Neige au moment où une étrange apparition se produit...

Après avoir échappé aux Trolls et la sorcière des marais, Virginia, Tony et Wolf s'introduisent dans le château ou se prépare le couronnement du faux prince. A cette occasion, la Reine compte empoisonner tous les convives. Virginia découvre un deuxième miroir magique qui lui permettra de rentrer chez elle. Elle choisit néanmoins d'affronter la reine...

Driven by his monthly madness, Wolf kills some of the Peep’s chickens. Virginia ties him up so he won't hurt anyone or anything else. Tony makes Virginia sign up for "The Best Sheep and Shepherdess" contest to win The Mirror. Virginia wins and Wolf is convicted for the murder of Sally Peep. Virginia decides not to go home just yet but to stay and help prove Wolf’s innocence. Tony uncovers the truth about the Magic Wishing Well, and Wolf is once again free. But the mirror is gone again, and their journey continues

In search of The Magic Traveling Mirror, Virginia, Tony, Wolf and Prince find themselves in a strange town. Kissing town, the place where Snow White was saved from her deadly sleep by a prince’s kiss. They all begin gambling to get enough money to buy The Mirror from an auction house. Wolf hits a jackpot but doesn’t tell anyone. Wolf, determined to win Virginias love, then spends all of his money on a Singing Engagement Ring and other things for Virginia. The Huntsman outbids them at the auction and wins The Mirror. He then blackmails Tony. If Tony doesn't give him the Prince he will smash the mirror. Virginia is mad at Wolf for lying so she turns his proposal down. Tony comes out with a plan to get the mirror and save the Prince, but it fails and mirror is broken. The Evil Queen kills Relish the Troll king with a poison apple.

On the back of the broken mirror Tony and Virginia find an inscription "Manufactured by the Dwarves of Dragon Mountain". They decide to go to Dragon Mountain hoping to find another mirror that could bring them back. Virginia is mad at Wolf and they decide to part ways. In the Mountain, they meet Dwarves who inform them that three Traveling Mirrors were made. The only one left is in possession of the Evil Queen. Tony's bad luck causes him to break all the magic mirrors. The Dwarves become angry and chase them so Virginia and Tony run to deeper into the mountain to escape. Tony’s bad luck strikes again and he breaks his back. While looking for help, Virginia and Prince find Snow White's grave and the legendary Snow White shows herself

The Trolls, now teamed up with the Huntsman, have captured Virginia, Tony and Prince. Meanwhile, The Evil Queen prepares the false Wendell's coronation. Tony and Virginia manage to escape, but Prince is left behind. On their way to Wendell’s castle to stop the coronation, they decide to take a shortcut through the Deadly Swamp. In the swamp, Virginia finds the body of "The Swamp Witch" (Snow White's evil stepmother.) Tony eats some magic singing mushrooms and drinks the swamp water, and Virginia joins him. The mushrooms and swamp water make them fall into a dream filled sleep and swamp vines begin to cover them.

Virginia and Tony are in the dungeon of Prince Wendell’s Castle, and Virginia is devastated by her mother’s actions. The Evil Queen plans to kill all the guests at the coronation ball and Wolf is helping her. Queen Cinderella makes an appearance and questions the false Wendell. Virginia must decide: her mother or lives of hundreds