Ganossa Maximillian — chief envoy of the Lucifer Hawks — launches his insidious plot to reopen the gateway to Nemesis. He's already put Katsumi Liqueur under the control of the Demon Sword Medium. His next plan is to destroy Rally Cheyenne, the chief of the A.M.P. Meanwhile, the other A.M.P. members have discovered how to break Medium's hold over Katsumi — but this solution may be worse than the problem.