It's been seventeen years since the largest wedding in the history of Equestria, a leader and a hero steps out of the past to be reunited with her family and friends past. Luna is up to her old tricks again, encouraging relationships as she and the other protectors of Equestria prepare for an uncertain future that may cost them everything they hold dear.
New to the story, don't know what the heck is going on, then start the story right by going all the way back to the beginning with And Tootsie Flute Makes Three