All Mickey had ever known was his own home. And for years, peace and prosperity had reigned. However, unknown to him, there is another magical kingdom in need of a hero.
Upon waking up one morning, the Mane Six are shocked when they discover that they are missing an important part of their bodies, a part connected to their rumps...
Spike decides to spend the day with Luna, if only he had known that the entire day would consist of pulling pranks on Celestia. This could go downhill quickly.