My Rotten Stepbrother Ruined Cinderella

It wasn't enough to ruin Maddie's report on Cinderella - her stepbrother, Holden, has somehow broken the ACTUAL fairy tale. The ugly stepsister is marrying the prince, and there's no happy ever after! The only way to fix it is by entering the story. But if Holden and Maddie can't solve the problem, they'll be stuck in the fairy tale world forever.