Its a time of Contests & Gym Battles in Hearthome City. While Ash finally challenges Fantina to a Gym battle, Jessie partakes in another of Hearthome City's contests. Ash is facing one of the toughest battles yet against Fantina's Ghost Pokémon. Will he manage to beat Fantina and get the Relic Badge?

In Canalave City, while exploring and looking for the gym, Ash & Co. fall into the world of nightmares. It seems that Darkrai is nearby and lettling loose its dark powers. However, legends say Cresselia is also nearby and when she appears, a climatic battle between Cresselia & Darkrai is sure to take place...