Having your mane groomed by your parents is bad enough, but to have it groomed by your teacher, who just happens to rule the country? What could be more embarrassing? Maybe a friend's experience can help.
Convinced by Twilight, Sunset Shimmer finally decides to return with her to Equestria- and face the music from her former mentor. Of course, when faced with speaking to her old mentor behind closed doors, the two reconnect as so much more...
Princess Celestia recounts her dealing with her guilt over ignoring Twilight Sparkle's warnings about the royal wedding, and the role she has let her student play in fighting threats to the kingdom.
Mister Lonely Heart is a self-styled "Grievance Counselor", a changeling who mimics ponies that his clients have issues with. When Twilight Sparkle pays him a visit, he finds out how painfully neurotic the Princess of Friendship really is.
In light of what happened during the Friendship Games, Dean Cadence and Shining Armor does something that catches Principal Cinch off-guard: They quit.