As a result of his battle with Bea, Ash's confidence has been shaken, sending him into a 2-loss losing streak and dropping him down from the Great Class back into the Normal Class in the World Coronation Series. Meanwhile, a mysterious whirling sandstorm has appeared in Mauville City, drawing people in with a strange singing noise. Ash and Goh investigate and find that the storm is being caused by a powerful Flygon! Just when it seems Ash may be defeated, Goh comes up with a brilliant new strategy. (Source: Wikipedia)
