Wait! So Rarity's being impersonated by a changeling? And Twilight too? And... the rest of the Elements of Harmony? Okay. So what's the big deal again?
Almost a year after Celestia's great crusade against necromancers concluded, Mortem discovers a rather large army outside his castle. Not wanting to cause an incident, he works towards a diplomatic solution.
Pinkie Pie is entrusted with keeping a defeated King Sombra under lock and key. To make matters worse, he wants to know what his horn tastes like and she's not telling.
A researcher is trying to create a new and more powerful stimulant called Exo-pep. Unfortunately for him, headquarters keeps sending him stupid test subjects. A mixture of many of ocalhoun's works.
Chrysalis sends seven changelings to Ponyville in a clever attempt to break up the Elements of Harmony. Things do not go according to plan for either the changelings or the ponies.
Discord helps Fluttershy become a tree. Specifically an apple tree. One problem: it's Applebuck Season. How will she fare? A lot better than she was expecting...