While touring Alamos Town, home of the Space-Time Towers, Ash and his friends discover that the town's special garden has been ransacked. Some of the townspeople immediately blame the destruction on Darkrai, a sinister-looking Pokémon said to haunt the garden. But is Darkrai alone responsible for all the strange happenings around town? And what is its true nature? Will Ash and his friends discover the answers in time to save Alamos Town?