While heading towards Cyllage City, Ash & Co. see a person who sells Pokémon escaping from Officer Jenny. This seller makes his money by capturing and selling the Pokémon, Vivillon, which has different appearances based upon where it was born. Ash & co. decide to help Jenny catch the seller. However, as they get on his trail, Ash finds a Scatterbug that the seller had discarded. Will Ash & co. manage to help stop this bad person?

While heading towards Cyllage City, Ash & Co. get stuck in a storm and have to find shelter. Coming upon a large mansion, they find that nobody is in it, but some strange things start to happen in it such as things moving, lights turning on and off and doors slamming. Despite these strange happenings, Ash & Co., along with Team Rocket, decide to head further into the mansion, but a mysterious shadow starts to follow them...