Ash may think he's seen everything when it comes to Pokémon, but is he ready to face the mysterious Darkrai in his latest awesome adventure? While touring Alamos Town, home of the Space Time Tower, with the beautiful Alice, Ash and his friends discover that the town's special garden has been decimated! Baron Alberto, a dashing but arrogant fellow, immediately blames the destruction on Darkrai. As if it just overheard the accusation, Darkrai appears and confronts our heroes! Who is Darkrai? Is it a friend... or a friend in disguise? And as a battle between Legendary Pokémon Dialga and Palkia rages directly above Alamos Town-and threatens to tear a hole in the space-time continuum-will Ash and his friends survive this showdown and learn Darkrai's true nature?