X was a Pokémon Trainer child prodigy. But now he's depressed and hides in his room avoiding everyone--including his best friend Y. An attack on their hometown by Legendary Pokémon Xerneas and Yveltal, led by Team Flare, forces X outside... Now what?

Team Flare makes a second attempt to activate the Ultimate Weapon and destroy the Kalos region! And this time, X, Y and friends will need some truly expert help to put a stop to the evil organization's nefarious plan and heartless methods. Yet as this heart-pounding battle comes to an end, it's our friends who are faced with a moral dilemma...

Also, will Yveltal and Xerneas fight on for eternity...?