It's the beginning of the end of summer vacation as ponies begin to enroll for Twilight's School of Friendship once again, and the Young Six come back to enroll at the school as well.
However, everyone is caught off guard when Discord himself comes along and decides to enroll a student of his own to mix things up a little. No one ever suspected that the student they would be receiving would be something that came right out of the Mythos...
What will happen now?