During the Wishing Star of Seven Nights festival, Ash, May, Brock, and Max are drawn into a magical celebration. Their fun takes a turn when the legendary Pokémon Jirachi appears and forms a bond with Max. With the ability to grant wishes, Jirachi quickly attracts the attention of those eager to exploit its powers. Among them is a determined individual intent on resurrecting the ancient Pokémon Groudon, oblivious to the peril that lies within Jirachi's incredible abilities. As chaos unfolds, the friends must protect Jirachi and prevent disaster.