Legendary Pokemon Kyogre and Groudon are unleashed, and the world descends into chaos! Ruby and Sapphire head down to Seafloor Cavern to try and stop them. To make matters worse, Archie and Maxie, the leaders of evil Team Aqua and equally evil Team Magma, are controlling Kyogre and Groudon with the Blue Orb and the Red Orb. Or are the Legendary Pokemon controlling them?
Meanwhile, has Wally built up his strength enough to train with Ruby's father, Gym Leader Norman?
Story by Hidenori Kusaka and Art by Satoshi Yamamoto.