As much as things are back to normal, Twilight still feels guilty about stealing the pearl back at the throne room in Seaquestria. Queen Novo won't accept Twilight's apology unless Twilight throws a party that can impress her. It's up to the Mane 7 to impress Queen Novo to make up the mistake Twilight did.

Thanks to MoJoK20X for editing this.
https://www.fimfiction.net/user/221451/MoJoK20X