Here is a concise summary of the provided transcript:
**Context:** Appears to be a script or transcript from an episode of the animated TV series "My Little Pony: Friendship is Magic"
**Summary:**
* The episode revolves around the wedding of Princess Cadence (also known as Princess MiAmore Cadenza) and Shining Armor.
* However, it's revealed that the Princess Cadence attending the wedding is an impostor, a "Queen of Werewolves" who has cast a spell on the real Cadence and Shining Armor.
* The impostor's plan is to feed on the love of the attending ponies to gain power for her subjects.
* Sparkle (presumably Twilight Sparkle) discovers the truth and, with the help of others, works to stop the impostor and rescue the real Princess Cadence.
* Ultimately, the real Princess Cadence is rescued, and she marries Shining Armor in a genuine ceremony.
* The episode concludes with a lesson learned by Sparkle about trusting her intuition.
Here are the extracted key facts in short sentences, numbered for reference:
**Characters and Relationships**
1. Princess Celestia is a character in the story.
2. Miamore Cadenza (also known as Princess Cadence) is getting married.
3. Shining Armor is Miamore Cadenza's brother and the groom.
4. Sparkle (likely referring to Twilight Sparkle) is a character who interacts with the royal family.
**Events and Plot**
5. A wedding between Princess Cadence and Shining Armor is taking place.
6. Princess Cadence has been impersonated by an evil entity (revealed as the Queen of Werewolves).
7. The impostor cast a spell on Shining Armor for her own gain.
8. The real Princess Cadence is imprisoned in caves under Canterlot.
9. Sparkle and possibly others discover the truth and work to stop the impostor.
10. A ceremony declaring the union of the real Princess Cadence and Shining Armor takes place after the truth is revealed.
**Locations**
11. Canterlot is the location of the wedding and the royal family's residence.
12. Caves under Canterlot serve as a prison for the real Princess Cadence.
**Miscellaneous**
13. Lauren Faust is credited as the author of the idea.
14. Sarah Wall is credited as a producer.
15. The story involves magical elements, including spells and the "Elements of Harmony".