Standing on the brink of war, Equestria gambled her fortune to build a machine that could end the conflict before it even began. During the ship's maiden voyage, however, a force nopony could have reckoned with intervened.
Trouble stirs at Sweet Apple Acres, as Big Macintosh claims to no longer be himself. Can he find out what happened to the real Big Mac? Or can Ponyville’s local psychiatrist find out what’s really going on within his troubled mind.
In an Equestria overrun with changelings, a mare has taken a stand to say "no more." She will gather allies and take the fight to Queen Chrysalis, no matter the cost.
Spike gets two special guests one sunny afternoon at The Castle Of Friendship, and soon Twilight's attention is taken by some very strange noises coming from his room. What could be going on in there?