It is the most anticipated event of the year, and as hundreds flock to Crown City to watch the exciting competition unfold, Ash, Pikachu, and his friends encounter a mysterious new Pokemon they have never seen before. But when the three Legendary Pokemon Raikou, Entei, and Suicune suddenly arrive and begin rampaging through the streets, it's up to Ash and his companions, along with their new Pokemon friend Zorua, to uncover the secret behind the immense and powerful forces at work.