Since the last major Changeling invasion of Canterlot, Princess Celestia has been much more cautious about another invasion. Now her sources are telling her the next place for invasion is Ponyville. They may well be seeking to take out the Elements of Harmony as well as one of Equestria's standing Princesses: Twilight Sparkle, the Princess of Friendship. Can she cut the Changelings off at the pass, or is it already too late?
This story was written for F*** this Prompt #8.