Just when the Makino tyrant is getting restless and wants to take full control of earth's invasion, Elementor can report he has identified Steel as the long-sought traitor-Ultralink and infected it with a disabling virus. Wit Steel rekindling buried memories of Max's father Jim, also in Max, and the Makino spaceship unloading an invasion force, Forge finally agrees to explain to secret past. Steel once was a brainless piece of the Makino war machine, but while invading a friendly, heroic planet, was converted by alien Jm' Mkrt', who came along to fight off earth's first invasion, against which N-Tek was set up. He died, but left a son: Max! Bart diagnoses Steel's virus problem and finds last-minute a daring solution, or the invasion can't be stopped with Turbo power.