Ren Loodan, a human who awoken in Equestria from a spaceship, meets the Mane Six and tries to search for his past and defeat the forces of evil, along with other humans who awaken in pods as they team up with Ren in search for their pasts as well.
Something one does not want, is to have a bad day at work, then wake up as a pony, not when said pony is sore and battered and has an odd feeling in her abdomen
Sunset Shimmer finally returns home to Equestria to right her old wrongs, unfortunately the sins of the Human World follow her back and put everypony in Equestria in danger.
A year after the battle of the bands, graduation nears, a familiar face returns, a pure heart is corrupted, enemies become allies and the fate of all reality hangs in the balance.