Daughter of the Fujioke Corporation, Airi Fujioke dons a powered suit developed by Fujioke Industries and protects the peace of Ogash City as the heroic Metal Woman. One day, responding to reports of the mayor's abduction, she resolves to confront the mysterious terrorist known as Gaist. After a fierce battle, she succeeds in rescuing the mayor, but the gang of criminals escapes, leaving the true mastermind unidentified. Moreover, it becomes clear that Gaist was armed with a powerful weapon capable of destroying the shield system of Metal Woman's powered suit. Sensing the presence of a far greater force behind it all, Metal Woman grows increasingly wary. Meanwhile, Councilman Murai, who secretly plots to conquer Ogash City, has allied himself with Gaist and begins devising a plan to eliminate Metal Woman. Can Airi uncover and stop this terrifying conspiracy?