Four years ago, a strange meteorite crashed to Earth carrying a powerful secret. Ash and Pikachu travel to the futuristic city of Larousse where they meet Tory - a new friend who is afraid of Pokemon and their trainers. New fears surface when a mysterious aurora appears over the city along with Deoxys - a Pokemon unlike any seen before. When a spectacular battle between Deoxys and Rayquaza begins, Ash and Pikachu will need help to stop it.