While everyone was gone, including Human Twilight, Princess Twilight spends her Summer vacation in the Mirror World by meeting people she missed when she was away.
It's the final year in school for Indigo and her friends. There are still a lot of challenges to face and she's prepared for all of them... except maybe finding love.
At this year's Friendship Games, the Canterlot Wondercolts are determined to beat the Shadowbolts! However, when a new girl arrives bearing resemblances to an old friend, the Mane 6 are thrown off guard.