Elena is torn between a promise she made to help Isabel and fulfilling her royal duties as crown princess.

While the castle is preparing a surprise party for Esteban, Elena and Mateo take him sailing to an island where the Fountain of Youth is located. Elena and Mateo must save Esteban when he drinks too much water and becomes younger.

Elena attends her first Royal Retreat as Crown Princess and learns that it is more important to do what is right than to fit in after a clashing disagreement with one of her fellow rulers.

Skylar is chosen to help train three young jaquins on defending the kingdom of Avalor.

Elena enters a fencing tournament disguised as "Knight Elezar" to prove that she is a great fencer.

Mateo takes on an apprentice, but soon discovers teaching is harder than it looks.