After endless years of banishment, Sweet Sauce returns to Equestria a new stallion, determined to make things right. Unfortunately for him, he's also a much smaller stallion than the one who was banished in Equestria's ancient history.
Princess Celestia understands that being an Element of Harmony is dangerous, and that Twilight and her friends are bound to make enemies. So, naturally, the only course of action is to send a guard to keep them safe, even if they don't know about it.
What does it mean to be a Changeling? To the former human Prince Phasma, that means doing what you can to survive and thrive in an utterly alien world.