Seeking power, the Alicorn of the Night strikes down her older sister, the Alicorn of the Day. Overtime, she comes to regret her mistake and now must accept the past.
In order to get some the remaining community service hours she needs for the new wonderbolt tryout application, Rainbow Dash joins Scootaloo on a School Field Trip to Manehattan. Simple right? Well, what happens on the trip is anything BUT ordinary.
Twilight has had many thought about the portal to the alternate Equestria. She wonders if it can lead to other worlds. Well hopefully the aftermath of an experiment along with several visitors will give her an answer she likes.