A new Iron Age begins! And from the streets of Chicago, an armoured hero rises! Clad in her very own high-tech suit, Riri Williams is ready to show the world what she can do as the self-made hero of tomorrow. But is she ready for all the problems that come with stepping into Iron Man's boots? Like her first big Marvel villain! The laundry list of criminals looking to destroy Tony Stark's legacy! And that other guy also running around as Iron Man! As Riri's adventures go viral, she soon claims her own alter ego: Ironheart! But her idealism is put to the test by a world she doesn't yet understand - and a headstrong Tony Stark A.I. that thinks he knows best! How far will Riri go to do what she knows is right?