En route their spaceship is shot down by a kamikaze airship piloted by a mutant. The group is forced to battle through the mutants in tunnels to reach the machine, hoping to save the last of humanity. In their attempt to reach the machine most die, with Mitch being partially transformed into a mutant and Brother Samuel being fully transformed. Mitch is able to halt his own transformation, but is forced to kill Brother Samuel. Mitch, being the last survivor, is ultimately successful in activating the ancient device, causing the machine (which was actually part of a spacecraft) not to be destroyed but to blast off into space.
