Twilight has just been crowned as a princess but is unsure of what her role will be. On top of that, she is hiding a secret that she is scared to admit to anypony, even the one that it would affect the most.
Moondancer has always thought highly of Twilight and was devastated when she left without saying good-bye. When Twilight throws a party for Moondancer and rekindles their friendship, Moondancer decides she wants more.
After sending Twilight to Ponyville, Princess Celestia demands letters from her but when Twilight starts to complain, Celestia becomes unhappy and replies to her letters in her own way.