Pinkie Pie has takes it upon herself to show Moonwhisper the true meaning of Hearth's Warming Eve, and nothing will stop her. Not even the fact that he already likes Hearth's Warming.
Rarity realizes she's developed feelings for Spike, now an adult. But, is there still time to act on these feelings, or has her opportunity already passed her by?
When Applejack and Fluttershy overhear an argument between Rarity and a strange stallion, they uncover unnerving evidence of a past Rarity has been hiding from the rest of her friends.
Professor Boffinspark, a scientist of questionable sanity, ethics and fashion sense, returns to Ponyville after a years-long absence. Chaos soon follows.
On the eve of the Equestria Friendship Festival, Moonwhisper and Shining Armor are called by the Cutie Map to a remote corner of Equestria for a friendship mission.
When Fluttershy tries to reopen the Ponyville Pet Shelter, she finds the necessary renovation costs are more than she can afford. Rainbow Dash finds that there may be a way that she can help her friend, but what will the rest of her friends think?