Joe O'Hara finds out he has a damaged optic nerve just before a boxing match for the title. He needs the money badly, so he doesn't delay the fight. The opponent discovers Joe's weakness and pounds on his eyes, causing him to go blind.
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.
As bare-knuckled boxing enters the modern era, brash extrovert Jim Corbett uses new rules and dazzlingly innovative footwork to rise to the top of the boxing world.
The Ritz Brothers go to the race track. They raise training end entrance money in a wrestling match and help a young man train the horse of his fiancée.
Two zany transients get jobs as vendors at a sports arena. One of them accidently knocks out one of the fighters, and must take his place, with his partner acting as referee.
