Ash, Misty, Brock, May, Max, Dawn, Cheren, Bianca, Clemont, Bonnie, Melanie and Tiffany disover Silver's mysterious secret that he's indeed Ash's long lost father and Delia's long lost husband, Silver Ketchum, who's been away for a very long time. Meanwhile, Melanie challenges Maylene, the Veilstone City Gym leader in a Pokémon battle competition.