Sunny Starscout has disappeared, and her friends are frantic. While everypony else reluctantly agrees that the earth pony is not somepony they can trust anymore, her friends refuse to accept this fact and resolve to find Sunny and lift her of the curse they are sure has been placed on her. However, they are warned that, if they assist a traitor, they themselves will be considered traitors in their own right. Meanwhile, Sunny is held captive in the company of three of Equestria’s worst villains who have dark plans for the land once they succeed in taking it. Assisting them are two ponies who have dark intentions of their own. Sunny is still recovering from the effects of her curse and has no hope left for the future… until she discovers the plans that these villains have for her friends. She needs to find them and warn them. All of Equestria will be at stake.

WARNING: Contains no relation to My Little Pony: Make Your Mark or My Little Pony: Tell Your Tale. This is strictly related to events that happened after My Little Pony: A New Generation.