A brand new adventure is about to begin for our beloved six ponies. After Twilight read a scroll some time ago, she has been curious to know the truth about their world's history. She did all the research she could to find the author but she found no results. She even asked for the help of her friends, but they weren't that convinced. However, one night, Twilight received a strange dream, which may have given her a clue to the answer she had been looking for, the Tree of Harmony.

The next day, Twilight takes her friends to the tree of Harmony to find out why the Tree of Harmony was in Twilight's dream. They soon discover something ancient and had long been forgot. After that day, everything changes for them. New adventure, both bad and good, take place, and along with a new friend, they find ways to deal with these problems, and try to have fun as they do so.

But little did they know, that they had not only discover something ancient, but have also reawakened something to have long been defeated in ages past. Seen what new adventures the mane six take and what trouble they get themselves into.

If you haven't read the first part, that's fine. Things will reveal themselves in time.