While training in Celestic Town for his upcoming Hearthome Gym match, Ash & Co. meet up with Cynthia. While there, an old friend of Cynthia's Grand Mother appears. This friend is eager to get to the ruins. However, the police of Sinnoh are all looking for Team Galactic and their leaders as they've had reports that they are planning to steal the Adamant & Lustrous Orbs...

Back in Solaceon Town on their way to Hearthome, Ash & Co. meet up with Aoi and her family at the breeding centre. When they arrive, they find out about a huge flying monster thats around town at night. Ash & Co. decide to investigate. What could it be?