Outraged of his brother's death, Garer orders revenge to General Butto. Butto sallies forth out of Boot City, commanding enormous 70 divisions. In the meantime, King Racko of Ren sends his force to Nankyo, Thunder Jet's headquarters. All T.J. can do is to defend his line against Butto's fleets. In Nankyo, Sunluck goes to meet King Racko and manages to obtain a truce from Racko. T.J. defeats Butto's fleets with a new weapon called " Thundering Cannon."
