Yona is plagued with many nightmares regarding her feelings for a certain Earth Pony, as well as a problem regarding a certain changeling. And there's only one princess who can help the young yak.

Maud Pie is brought to the Changeling Kingdom when Discord is unable to accompany Starlight and Trixie. However, nopony has any idea how this simple change in the visiting party will go down in history for both the Changeling Kingdom and Equestria.