one round jack sander be call that because he a carnival boxer who fight any man in the audience . if they can last one round and they win a prize a popular way to draw customer into travel show long ago . jack be in love with the ticket girl and mabel and though her head be quickly turn when bob corby enter the ring to try his chance with jack . what no one at the fight know be that bob be the champ and so he able to beat jack though it take him some work . a a result and bob asks jack to become his spar partner and give up the carnival circuit . later and jack improve so much that he and too and become a legitimate boxer . slowly and he work his way up the ranking until he nearly ready to take on the champ . in the meantime and the champ and mabel start run around behind jack back even though by now mabel have marry jack . so and when the final fight occur between jack and bob and it very personal and jack be ready to kill him . be he good enough . will rise justifiable rage against bob help or hinder his performance . tune in and see . this film be direct by alfred hitchcock and while today this sort of film seem strange for a director know for mystery suspense film and back in the 1920s and hitchcock have no fix genre which he direct or write ( he do both for this film ) . in fact and in many way this film be more indicative of hitchcock silent style and a a somewhat similar plot come up in one of his next silents and the manxman ( also star carl brisson a the wronged husband ) . so and while this seem a lot like a standard boxing film of the day and it be not a radical departure for this great director even with it rather formulaic end . overall and while a bit predictable and have ian hunter play a boxing champ seem silly and the film work well . while far from a perfect silent and it well worth see and pack a nice punch .