A few days have passed since the defeat of the Storm King. And to celebrate the occasion, Queen Novo invites Twilight Sparkle, her friends and the princesses to a party at their kingdom on Mount Aris. Despite Twilight's hesitation, she agrees to come along after hearing some encouraging words from her friends.

After arriving at Mount Aris however, they quickly learn that Queen Novo's daughter, Princess Skystar, has gone missing. Twilight promises Queen Novo that she, the princesses and the rest of her friends will find Princess Skystar at all cost, but they'll slowly discover that something far bigger might be at stake.

(This story will mostly take place in the movie's universe, but will also include some things from the show as well)