Plot Summary:Joe O'Hara, a hard fighter, wants the championship title for the money to finance the concert pianist career of his brother Mike, who also could be a good fighter. When Joe fights the title bout someone tells his opponent, Tiger Johnson, that one of his eyes is bad and Johnson works on it until Joe loses the fight and his eyesight. Mike is enraged and starts training for the ring. He works himself up to the title bout with Tiger Johnson.
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.