While still trying to adjust to her new role as the Princess of Friendship, Twilight and friends follow a map to a village where the inhabitants mysteriously have no talents and are equal in every way.

故事将衔接TV版第三季结局紫悦(Twilight Sparkle)进化为天角兽(Alicorn)加冕成新公主之后的生活，此时水晶帝国的珍贵王冠被偷窃；为了寻回王冠，紫悦公主将接下重责大任，独自前往另一个平行世界；在那里，紫悦将发现平行世界中的穗龙(Spike)变成了一只狗，而自己则变成了有双手也能双腿站立的人类！身分将改为少女高中生，并重新相遇化身为人类版本的小马朋友们……