"Real Steel" is a science fiction sports film set in a near-future world where human boxing has been replaced by robot boxing. The story follows Charlie Kenton, a former boxer, who struggles to make a living by training and fighting with robots. He discovers a discarded robot named Atom and sees potential in it, leading to a journey of redemption and connection with his estranged son, Max. As Charlie and Max work together to train Atom, they face various challenges, including rival robots and their owners. The film explores themes of family, perseverance, and the bond between humans and machines, culminating in a climactic boxing tournament.