"Iron Man is dead!" Dr. Chika Tanaka hears these astounding words from Yinsen's own lips. Meanwhile, the seriously wounded Tony Stark survives with the help of Nagato Sakurai and must devise a way to defeat Dio once and for all. But what awaits the arrival of Iron Man is not only Dio, but also four Iron Man Sigma models as well. How will Tony Stark overcome the hopeless situation he finds himself in?