Twilight Sparkle and Fluttershy are sent to the Smokey Mountains to prove their fluency in friendship. They are successful once again, but how long can the cease fire last between the families that have only known distaste for one another? Big Daddy McColt undergoes a massive strike to his ego several months after Princess Twilight and her friend completed their duty when his sister comes for a visit and sees for herself what has been happening to him all this time.