It's been more than 15 years after The Dirge of Cerberus, and the Offspring of the Avalanche Gang are bored and overpowered, nothing is really a challenge. They want something new for once, and a Rumble with some rival bullies takes a turn for the worse when they're accidentally sent into space on Cid Highwind's newest Rocket, and guess where the rocket's headed? That ain't no meteor Luna.