Princess Celestia has invited Twilight to visit her in Canterlot to attend a royal banquet, and she is excited to see her beloved mentor again! When she arrives she is shown through the castle to see Celestia and notices majestic bouts of beautiful magic, namingly a gorgeous incantation that covers the ceilings of the mystic castle. The enchantment mesmerizes Twilight, and when the Princess of the Sun explains to her that it is her sister, Princess Luna's charm that inhabits the brilliant archways. After a delightful dinner with the princesses, Twilight spends time with Luna and is shown the secrets to the the magic of the Princess of the Night. It is a magical evening that brings the two closer than they would have ever imagined....