The story is about a group of mad scientists who, for their dreams, developed a machine that can reproduce Pokémon with only a few genes, and copied the world's strongest Pokémon discovered into a machine with more than a dream. Powerful super dream. But when Chao Meng woke up, he went berserk because he couldn't find his true self. The boss of the Rockets appeared in front of Mewtwo and used rhetoric to draw Mewtwo who had lost herself over to do things for him, but it didn't take long for Mewtwo to feel confused about himself again. Mewtwo returns to the island where it was copied and decides to start its revenge battle.
At the same time, Ash, Pikachu and the others received an invitation from a mysterious person to attend the banquet of the strongest Pokémon trainers in the world. When they crossed the stormy coast and finally reached the new island, they didn't expect Mewtwo to appear in front of everyone.
