While the others have gone to Equestria, Darla accompanies Amber and Annabelle to meet Amber's cousin Timmy Turner who is just an average kid who nobody understands except that he has fairy godparents named Cosmo and Wanda. When it's the one year anniversary of when Timmy got Cosmo and Wanda, all is well until a certain muffin is on the loose and might fall into the wrong hands.