When the Equestrian border is crossed by murderous enemies, it's up to Princess Luna to organize the defense. But the invaders have the magical ability to disguise themselves as the loved ones of the native ponies, and they are led by a demon bent on destruction. Can the love of the two sisters save Equestria?

(This was my February Write-off entry, and you might have read it there, but I've since revised it to change the name of the town and break it up into chapters.)