The movie takes place after the show's third season finale "Magical Mystery Cure" and is about Twilight Sparkle entering the human world to get back her magical crown after it was stolen by Sunset Shimmer. During her time in the human world, Twilight learns how to behave like a human and meets the human counterparts of her pony friends. With the help of her new friends she hopes to stop Sunset Shimmer and take back her stolen crown.