When Luna finds her sister missing, she questions at why this has happened. At the other hoof, Celestia, looses all of her memories, but only one memory comes back. Something that had happened in the past. Some thing to do with her sister.
Twilight Sparkle failed her entrance exams for Celestia’s school. Worse, she is a danger to both herself and others, resulting in her magic being suppressed. Dreams crushed and now one of the weakest unicorns, a nightmare comes to her.