After a thousand years stuck on the lunar mass, the princess of the night, Luna, was searching for company. Nightmare had stained her soul from so many years of control on the moon, and up until Discord's destruction, she had been recovering from the traumatic interaction with the Elements. She reluctantly sets out find somepony to accompany her on her journey of recovering from Nightmare's influence, but such a companion is hard to find when you question your own sanity.