The fate of the world hangs in the balance...

Deep within the Scub Coral Command Center, Renton is reunited with his long lost sister Diane. In a vast and mysterious library the origins of the Scub Coral and the history of mankind are revealed. Learning from the follies of the past can the two races create a future united?

Dewey stands before the final precipices of his mad plan, prepared to destroy a world he has judged as beyond redemption. Using the suborbital super weapon Oratorio #8 a hole is driven through the crust of the very world and Anemone is dispatched on one final mission. As The End descends upon the Command Cluster, Dominic follows through the rapidly closing hole in a desperate attempt to save not only the world but the girl he loves.