Ash may think he's seen everything when it comes to Pokémon, but is he ready to face the mysterious Darkrai? While touring Alamos Town, home of the Space-Time Tower, Ash and his friends discover that the town's garden has been destroyed! The dashing and arrogant Baron Alberto blames the destruction on the Mythical Pokémon Darkrai. Suddenly, Darkrai appears and confronts our heroes! Who is Darkrai? Is it a fiend...or a friend in disguise? And, as a battle between the Legendary Pokémon Dialga and Palkia rages above Alamos Town, will Ash and his friends survive and learn Darkrai's true nature?