When Twilight recieves a distressed letter from Luna, she makes a hasty trip to the Crystal Empire to see what has Luna so alarmed. You'll be relieved to know that Sombra isn't back.
(However, drastic measures will be had)
This stories idea was produced by the brilliance that is Rated Ponystar! Thank you for allowing me to adopt this story from your adopt-a-fic blog. :D