These days, Rarity is one of the most successful designers in Equestria, but that wasn't always the case. It wasn't all that long ago that Rarity was just starting out, a largely unknown up-and-comer...who somehow had been able to open her own boutique.
One day, while visiting their friend, Applejack and Fluttershy overhear an argument that threatens to reveal the secret as to how Rarity managed to afford to open Carousel Boutique, a secret she had hoped would never see the light of day.