After Capturing Meloetta, Team Rocket has brought the Undersea Temple to the surface and used her song to obtain the Reveal Glass. Team Rocket now plan on using the Reveal Glass to summon the forces of nature. Tornadus, Thundurus and Landorus to take... (more) over the Unova region. Now Ash and his friends have to save Meloetta and put an end to Team Rocket's plan.