At the Snowpoint City Pokémon Center, Ash and friends run into Paul, who has come to town to challenge Candice. Surprisingly Paul's brother Reggie also arrives at the center. To add to the surprises, Pyramid King Brandon arrives in Snowpoint City. After Ash and Reggie talk about their great battles in Kanto, Paul becomes upset and challenges Brandon to a battle.

Ash & Co. are heading to Lake Acuity on a train. While travelling, they meet Looker, a member of the International Police, whom is in the area looking for Team Galactic. However, problems arise on the train and the Ampharos running the train, along with a few of the gang's Pokémon are seperated from the gang...