In this Pokémon adventure, a mysterious force binds Ash to the Mythical Pokémon Volcanion when it falls from the sky. Volcanion can’t get away, and Ash is dragged along as it continues on its mission. They arrive in a city of cogs and gears, where a corrupt minister has stolen the ultimate invention: the Artificial Pokémon Magearna, created 500 years ago. The minister plans to use Magearna’s mysterious power to take control of the mechanical kingdom. Can Ash and Volcanion work together to rescue Magearna? One of the greatest battles in Pokémon history is about to unfold!

The film revolves around a mysterious girl named Éclair who appears before Fairy Tail, the world’s most notorious wizard’s guild. She lost all of her memories, except for the imperative that she must deliver two Phoenix Stones somewhere. The stones may spell the collapse of the magical world, and Natsu, Lucy, and the rest of the Fairy Tail guild are caught up in the intrigue.

Pikachu and his friends have gathered to listen to a song performed by Meloetta at the melody tree. Meloetta is soon interrupted by a Sandstorm attack which breaks the tree and causes the Melody Berries to scatter. Before the performance can continue the Pokémon must retrieve the lost berries.