Ash and friends go to Dawn's hometown of Twinleaf. Upon arrival, they find that they made it in time for the Twinleaf Town Festival, where a Pokémon Contest is about to be held. Dawn decides to enter, and it isn't long before she finds herself facing none other than her mother, Johanna, in battle. Knowing that Johanna won the Grand Festival in the past, will Dawn be able to defeat her?