Lemon Zest is pretty lucky for a pony who just got fried to death. She miraculously comes back as a ghost and stumbles on a haunted school where she can learn the basics of the afterlife. The fee of tuition? Recruiting more ghosts to school.
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.
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.
Uncontrolled magic is ripping through the fabric of reality, countless lives and the state of the world are at stake, and it's up to a teenager with mental health issues to fix everything. It seems like this may be a yearly occurrence at this point.
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.