Billionaire inventor Tony Stark's dream of privatized spaceflight ends in near-fatal disaster, but the real wreckage is his family. When his technology surfaces in a North Korean massacre, Tony discovers his estranged father Howard—a cold-blooded industrial titan—has spent years stealing his patents to build an unstoppable weapons empire. Framed for his own attempted murder and fitted with an experimental chest plate keeping his shattered heart beating, Tony forges a suit of armor with loyal friend Rhodey and agent Bethany Cabe. As Howard and fanatical lieutenant Justin Hammer orchestrate a presidential assassination to install a puppet and conquer the globe, Tony must become Iron Man—not to save the world, but to end his father's war.