A few years after Luna's return it seems that Equestria will finally know an era of peace and appears to be on the verge of a new renaissance. Ponies are happy. Luna is recovering. Celestia is miserable.
Pretending to be Rarity's boyfriend at her cousin's wedding isn't the weirdest thing Sunset Shimmer has ever had to do for her friends. It might even be fun. But just what is Rarity hoping to get out of this subterfuge in the first place?