Twilight Sparkle has been leaving Ponyville, and not telling her friends what she's doing. They get suspicious. Afraid it's damaging their friendship Twilight gets permission to tell them what she's doing. She is an agent of Torchhoof, a top-secret intelligence and investigative agency, run by Luna and Dr. Whooves. The rest of the Mane 6 have gotten approved to take an entrance exam, so Twilight takes them to one HQ to show them what the job will entail. They meet some of Twilights friends from Torchhoof, and discover what being an agent of Torchhoof is all about. Then they'll have some adventures.