Cheerilee is a sheltered, over imaginative, home schooled filly about to start her first day at Ponyville Elementary. Lyra is an energetic hooligan with a keen interest in the unusual. Bonbon is a clueless, young pony who somehow gets pulled into her childhood friend's shenanigans. And Derpy is a clumsy, young pegasus with a troublesome past.

What happens when these four fillies are placed into the same classroom along with several other unique students? The past happens—er, happened? Just read the story...

Pinkie Pie is visited by a strange customer whilst working at Sugarcube Corner. Hilarity ensues.