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? Our friends search for strategic additions to their Pokémon teams, as well as the Mega Stones required to Mega Evolve them. How will Professor Sycamore and a mysterious sundial help them on their quest? Then, X and Y must fight a powerful foe who has infiltrated their group!