A young nanny travels from England to Mallorca to care for two orphaned English children. At first enchanted by the children and their estate, she is then alarmed by their strange behavior and the mysterious events that occur. She doggedly follows her instincts and the truth that slowly, painfully emerges results in everyone's undoing, including her own. -。故事叙述一只叫暮光闪闪(Twilight Sparkle)的小马为了执行导师塞拉斯提娅公主(Princess Celestia)给她的任务,与助手斯穗龙(Spike)一起来到小马镇学习有关友谊的魔法的知识,其中她认识了苹果杰克(Applejack)、瑞瑞(Rarity)、小蝶(Fluttershy)、云宝黛西(Rainbow Dash)与碧琪(Pinkie Pie)五位好朋友,每只小马都代表着友谊的每个元素,并在和谐水晶(Elements of Harmony)中,各扮演重要的关键元素。此后,暮光闪闪(Twilight Sparkle)便与她认识的新朋友们开始了有趣的日常生活,在第四季时暮光闪闪(Twilight Sparkle)和她的五个朋友在第四集以及之后开始写日记。。