Sunny Starscout's ongoing search for Equestria's ancient past sends her up to the northern arctic, where it is written that a city protected by love once stood.
After their history-making adventure, Sunny decided to travel further with her friends to solve Equestria’s ancient history. However, they didn’t expect to meet a resident from the world’s past.
Absolutely enchanted with her colorful new friends, yet relieved that her little adventure had come to a gratifying end, Sunny decides to spend some time with one of her new friends...
Exactly ninety days have passed since Sunny Starscout did the impossible and reunited ponykind. Once her lighthouse is rebuilt, she finds an old book in Bridlewood, and discovers that a pony has been watching all along.
While trying to conducts test on a possible recipe for a teleportation potion, an alchemist by the name of Streak gets caught in an accident when something goes wrong in his lab. Only to find himself in a place he doesn't recognize.