[Rated 'I' for Innuendo] Cadence is elated for her upcoming wedding day, and takes advantage of a sunny morning to deliver invitations to the mane six. However, in a rare (and hilariously cruel) twist of fate, her deliveries coincide with strange, hot-and-cold sweats, headaches, magical mishaps and accidental shockings.

It's not until she reaches the door of her young sister-in-law, Twilight Sparkle, that she begins to realize that her magical episodes could be linked to something much greater, and far, far more personal than she might have liked…