The life of boxer Jake LaMotta, whose violence and temper that led him to the top in the ring destroyed his life outside of it.

His Wife is dead and his Son hates him, but this old man still has fight in him! When he loses a highly publicized virtual boxing match to ex-champ Rocky Balboa, reigning heavyweight titleholder Mason Dixon retaliates by challenging Rocky to a nationally televised, 10-round exhibition bout. To the surprise of his son and friends, Rocky agrees to come out of retirement and face an opponent who's faster, stronger, and thirty years his junior.

Charley Davis, against the wishes of his mother, becomes a boxer. As he becomes more successful the fighter becomes surrounded by shady characters, including an unethical promoter named Roberts, who tempt the man with a number of vices. Charley finds himself faced with increasingly difficult choices.

Two men, working as professional boxers, come to blows when their careers each begin to take opposite momentum.