Twilight Sparkle has lived a full life but now she's a 115-year-old pony lying on her deathbed and waiting to pass on. As her time draws near, she receives a visit from a mysterious mare who has come to seek out the answer to a simple curiosity.
Twilight gets lost in the Everfree Forest, and finds an interesting flower that sprays some mysterious pink pollen at her. Meanwhile, a very sick kid who was stuck with his snobby aunt and cousin died and gets reborn and taken in by Twilight Sparkle.
This is the story of seven friends and the years that tried to keep them apart. Princess Twilight Sparkle has loved more and lost more than anypony else. At the end of everything she remembers all she learned from all the times she said goodbye.