Starlight Glimmer has the forgiveness, love, support and friendship of Twilight Sparkle and her friends. The townsponies of Our Town had welcomed her back and helped her rebuild her life anew, just as she had endeavored to return the favor and make up for past mistakes.

But in all the happiness that surrounds her, Starlight still sees a shadow of what could have been, and more importantly, what she caused to happen in other versions of her world.

Now she has to decide: should she stay home—safe—or face her legacy?