Charlie Kenton (Hugh Jackman) to know if she did not have anything else other than boxing ability. Unfortunately the opportunity to win the title did not also come to Charlie. It became increasingly slim chances when times have changed and the sport boxing is no longer done by humans.
In this modern era, the boxers were forced to retire because their job was taken over by robots made of steel. Charlie inevitably have to move the bow. The only thing he can do is to be a boxing promoter. Charlie is never give up, but when Max (Dakota Goyo), his son, appeared at the door, new hope emerged.
Together with Max, Charlie and then build a robot from the remnants of a robot that has been lost in the boxing ring. Armed with his experience in the ring, Charlie started to train these new heroes. Although initially looked promising but could not so this is the last hope to achieve his hopes of Charlie vanished.