Nourasia's Capital has been destroyed and King Laos killed, Byrus is on the edge of surrender, Eva is missing and the Crogs are closing in! Aikka has come to Oban to help Eva but in the end the only way to save both her and the two planets that depend on him is to seek help from an old rival but what he doesn't know is that there's a lot more to this than just the Crogs...