Tony Stark is backing a charity racing event in order to burnish the image of Stark Industries. Meanwhile, Kawashima, a race car driver who's suffered career-threatening injuries, is won over by A.I.M./Zodiac who promise him they will heal his injuries if he takes out Tony Stark.

Tony Stark learns the shocking truth behind Zodiac. Iron Man must muster all his remaining strength in order to stop the nefarious ambitions of his greatest adversary, the man behind Zodiac. But, when an familiar face enters the battlefield, will he be able to do what needs to be done?