"Armed with a nefarious plan to gain control of Giratina and copy its abilities, the evil Zero plots to capture Shaymin and force the powerful Pokemon to take him to the mysterious Reverse World in this exciting anime feature. Meanwhile, the villain's machinations have also weakened a massive glacier, which threatens to overrun a nearby town. Now, it's up to Ash, Giratina, Shaymin, Dawn and Brock to stop Zero and save the village."