Twilight and Rainbow Dash decide to enjoy a quiet, romantic date before Nightmare Night, little do they know, their Nightmare Night will be starting early.
Twilight has fallen ill with a seemingly incurable disease. As Rainbow Dash keeps seeing flashes of her life with her, she is more than determined to save the life of the one she loves, even if she has to lose herself for it.
It's been six whole years since the Changeling war, and with the Elements missing, Princess Twilight Sparkle faces an ancient force bent on seeing the end of not only Equestria, but the whole universe.
After Rainbow Dash is the only survivor of an accident, Twilight tries to fix her heartbroken friend. Things get a little more complicated when King Sombra returns