While training for his gym match with Clay in Driftveil City, Ash & Co. meet up with Cilan's brother Chili. Chili is having doubts as his Pansear lost and so he wants Cilan's advice in training it. As such, Chili challenges Cilan to a battle, but when Chili loses the match, he and Pansear both react badly to it...

On Milos Island, Tornadus and Thundurus continue their fighting after Team Rocket destroyed their shrines. However, Iris has managed to awaken the other Legendary Pokémon; Landorus, to try and qwell the fighting. Ash & Co. however get stuck in the middle of the battle, and things get worse when Team Rocket appear to enact their final plan: the capture of Tornadus, Thundurus and Landorus.