A young unicorn, Din,is sent to Ponyville on a personal assignment by Princess Celestia herself. There he meets Twilight Sparkle, another one of Celestia’s pupils who has been studying the magic of friendship. The princess believes Din’s research on cutie marks is somehow intertwined with Twilight’s studies and that the two should work together. While Twilight teaches him the importance of friendship, she also, with the help of her friends, tries to find a solution to Din’s problem. His lack of a cutie mark. But a plague of nightmares befalls Ponyville’s citizens and some are driven to insomnia and madness. An unknown enemy is lurking about in pony’s minds and only Twilight, Din, and the rest can stop it. A story about finding yourself, the power of friendship, and kicking evil demon butt! This gon’ be good!