Heading back towards Lumiose City, Ash and co reach the Kalos Power Plant and decide to go and visit it. When they approach, Pikachu, Luxio and Dedenne start acting strangely and head towards the plant. When they reach it they learn that Team Rocket have got a plot in the Power Plant where they are taking control of Electric-type Pokémon. Will Ash & Co. manage to stop Team Rocket and rescue the Electric-type Pokémon?

While training for their next Showcase, Serena ends up going harsh on Fennekin and Pancham when training doesn't go right, still torn from the loss in her first. Feeling down, she leaves Ash and Bonnie for a while for some alone time. As she walks through the city, she meets a girl who randomly approaches her to talk, and they end up going shopping together before finally having a practice battle against her Delphox and Aromatisse. The question is, who is this mysterious girl?