Twilight's demon has been haunting her in her dreams ever since her life took a turn for the better. It's time for that overdue talk.

Twilight Sparkle defeated Starlight Glimmer through the battle of time travel. Finally, she opened up Starlight's eyes to a better world, a world with genuinely happy ponies. Seeing the error of her ways, Starlight gets another chance and relives the friendship she had lost long ago, this time with Twilight.