Rag has been imprisoned onboard the Iron Gear, but when the ship comes under attack by the forces of Gully Karas, the crew desperately needs a second Xabungle pilot.
Jiron Amos seeks revenge against the outlaw who killed his parents, but in a world where crimes are forgiven if they’re not brought to justice within three days, there’s only one thing he can do: steal the mecha Xabungle.