When Molly Hale's sadness of her father's disappearance get to her, she unknowingly uses the Unown to create her own dream world along with Entei, who she believes to be her father. When Entei kidnaps Ash's mom, Ash along with Misty & Brock invade the mansion looking for his mom and trying to stop the mysteries of Molly's Dream World and Entei!

Ash Ketchum must put his skill to the test when he attempts to save the world from destruction. The Greedy Pokemon collector Lawrence III throws the universe into chaos after disrupting the balance of nature by capturing one of the Pokemon birds that rule the elements of fire, lightning and ice. Will Ash have what it takes to save the world?

The adventure explodes into action with the debut of Mewtwo, a bio-engineered Pokemon created from the DNA of Mew, the rarest of all Pokemon. Determined to prove its superiority, Mewtwo lures Ash, Pikachu and others into a Pokemon match like none before. Mewtwo vs. Mew. Super-clones vs. Pokemon. It's the ultimate showdown ... with the very future of the world at stake!