Twilight turns herself into a dragon and overindulges on gemstones. Rarity is confused, and Spike is amused.
When the sorceress Sunset Shimmer betrays her relationship with Princess Twilight, the princess asks her friends to help track her down.
Twilight and Rarity learn something about each other that has been a long time in coming.
Trixie turns to villainy. She's not too bad at it, actually.