During an archeological dig, Esteban accidentally releases a mischievous duende, a magical elf-like creature based on Latino folklore, who sets out on a mission to unleash hundreds of other duendes on Avalor.

On Dia de los Muertos, Elena discovers her ability to see ghosts and sets out to help the spirit of a woman mend the rift between her grandchildren and save the family restaurant.

Elena travels to the realm of the jaquins, but unknowingly puts Avalor in danger.