Dora and Boots walking in the forest and discover a gate leading to the magical Fairytale Land. When they go inside, a witch casts a spell on Boots that causes him to fall asleep. Dora must become a princess in order to wake him up.
It's Dora's cousin Daisy's 15th birthday party, her quinceañera. But the party can't start without Dora and Boots - they need to teach everybody the mambo.