Ash battles a trainer and her Smoochum while on the way to Blackthorn City, but just as Ash was about to finish it, she calls off the battle saying it's too exhausting. However she does tell them about a new Battle Park where Ash can battle to his hearts content. Little did he, Misty and Brock know that Team Rocket infiltrated the battle park so they can steal the park's Pokémon. When Ash gets there he signs up for a battle and soon three trainers appear. Who are these three trainers and what Pokémon do they have to battle Ash with?