Harry Potter, after a beating by Dudley and friends — with the help of a real gang member — wishes he had somewhere safe to go, and starts crawling home. He ends up in Equestria. The CMC find him. A year later, an owl brings his Hogwarts’ letter!
Sunset Shimmer has always known that magic was real. After discovering the portal hidden outside Canterlot High, she leaves her life behind to go inside and prove it. Equestria will never be the same.
The Cutie Mark Crusaders are given an assignment in school that requires them to ask the Mane Six about facts of nature. The answers about "the birds and the bees" they get should make for a very interesting report!
Twilight finds it a bit difficult to reconcile Celestia's playful new manner with the regal teacher she knew for so long. Once she does, however, the benefits are plain to see.
What happens when five normal girls are transported from the real world into Equestria? What happens when the people being transported are Rarity, Applejack, Rainbow Dash, Pinkie Pie and Fluttershy?
Celestia likes her routine. Tax reforms, grants, laws and construction projects are all a princess needs to be content. It's just her luck that for Pinkie Pie, "content" is not nearly enough.