It started off simply enough, Applejack's embarrassing childhood nickname. Everyone had one, Sunset's was Little Firestarter. The group ignored it, even when students take it a step forward and start teasing the farmer about it.

However the next day, after a sleepover at Rarity's involved all of them dressing up in silly costumes the fashionista had made, things got worse. Those pictures were posted online, and the poster, Anon-A-Miss, also left derogatory comments.

Those pictures came from Sunset's phone, but she doesn't remember posting them. What's going on?