Fifteen-year-old twins Jamie and Benny are suddenly plunged into a world of uncertainty and fear when a powerful spell leaves their mother, Queen Allegra, in a coma, and the kingdom of Aurelia trapped between seasons.

With the future of their country in peril and their mother's life hanging in the balance, Jamie and Benny embark on a quest to take the Challenge. Anyone who wins the Challenge will have their heart's desire granted. For the twins, it means their mother and Aurelia will be saved. But to take the Challenge, they must travel 1000 miles to the mysterious Cave of Wishes.

Joining them for the journey are their friends Wex and Cami. As the four friends navigate their way across treacherous country, the twins know their greatest test still lies ahead. Winning the Challenge will be no easy task, and Jamie and Benny must be willing to risk everything to save their mother and their country.