Rarity uses time travel to save the lives of her friends but ends up destroying what she holds most dear. How will she deal with a world where she doesn't belong and even has another version of her?
For the first time in thousands of years since Princess Luna established a colony for her Children of the Night, Princess Luna plans to visit them once again. The catch? It's half-way across the galaxy, and it may not be easy to get home.
The Vessel, having saved Hallownest from the infection of the Radiance, awakens in a new world. Having somehow gained the ability to speak, and can now feel emotions, he explores this world, defending its’ inhabitants from danger.
A train accident robs Rarity and Sweetie Belle of their parents, forcing the sisters to live together. Now Rarity must put her generosity to the test: balancing her career at the Carousel Boutique while being the mother figure Sweetie needs.
Applejack accompanies Rarity on a train ride. But the strange circumstances and the forgotten passengers will note that Applejack shouldn't be on board.
Rarity discovers she can change into her Nightmare form at will, but she needs help to control her new power. Lucky for her, a certain dragon is there to help.
When Pinkie falls ill, Rarity takes her place as a foalsitter for The Cake Twins, and they take a real shine her to. This makes Pinkie feel like she's been replaced, and it's up Mr. and Mrs. Cake to show her that's not true.