A small but growing number of changelings now live openly among ponies. Many ponies are welcoming. Others are concerned. And nobody, from the new Equestrian changelings to the Princesses themselves, knows how Queen Chrysalis is going to respond...
Fluttershy, with the help of Twilight, plans to tell her friends that she's a changeling, but when Fluttershy and Twilight are teleported to a mysterious forest, it seems the two won't be able to find their way home.