The Evil Queen is once again free, and she has a trap ready for Prince Wendell of the Nine Kingdoms. Her dog transforms into Prince Wendell and Prince Wendell becomes a dog. The real Prince Wendell accidentally falls through a magic mirror into the 10th kingdom – New York City. Now Virginia and Tony Lewis – average working schmoes – have been thrust into the situation and must travel to a hidden fantasy world to help Prince Lewis return to his true form.