A Pokémon scientist named Dr. Yung has invented a Mirage System that can recreate extinct Pokémon. Ash, Misty, and Professor Oak are asked to help test it out, but the Mirage System is suddenly taken over by a being called the Mirage Master! It's up to Ash and his friends to stop this mysterious villain - but when the Mirage Master steals classified Pokémon data and created a Mirage Pokémon so powerful that Ash and Pikachu can't defeat it, will out heroes still find a way to save the day?