Twilight arrives to Canterlot at the urgent request of princesses Celestia and Luna and finds that they behave, to put it mildly, strange. She surprises greatly, but she doesn’t dare to ask what’s going on. So, as a result, she spends very odd day with her teacher and her sister. When she finally returns home, she sincerely wonders what could be the reason of it. And she receives the answer from the most unexpected person. Turns out that if you can have control over celestial bodies, celestial bodies can have control over you too!