Celestia has been secretly going to the Everfree forest on her own lately. She has been quiet about it, and Luna, unable to enter her dreams to find out what is going on , follows her sister. When Celestia tells Luna of a threat that will attack Equestria, Luna agrees to help her sister.

With the help of an old foe, the two sisters will find something hidden in the Everfree forest that will change their lives as well as Equestria 's future forever.

NOTE: The cover art is not mine. All credit for the cover art goes to mark331