Arceus, creator of the world, comes to pass judgement on humanity for the theft of the Jewel of Life, but Ash Ketchum and his friends are sent back in time to discover and possible reverse the events that led to Arceus' vendetta.
A greedy, manipulative media mogul seeks to capture Celebi for nefarious purposes, using the shape-shifting Pokémon, Zoroark, to hunt it down.