Shy milkman Burleigh Sullivan accidentally knocks out drunken Speed McFarlane, a champion boxer who was flirting with Burleigh's sister. The newspapers get hold of the story and photographers even catch Burleigh knock out Speed again. Speed's crooked manager decides to turn Burleigh into a fighter. Burleigh doesn't realize that all of his opponents have been asked to take a dive. Thinking he really is a great fighter, Burleigh develops a swelled head which puts a crimp in his relationship with pretty nightclub singer Polly Pringle. He may finally get his comeuppance when he challenges Speed for the title.

A soldier falls in love with a newly-married woman after her husband abandons her for a business meeting on their honeymoon.

When retired racket boss John Sarto tries to reclaim his place and former friends try to kill him, he finds solace in a monastery and reinvents himself as a pious monk.

Timid milkman, Burleigh Sullivan, somehow knocks out a boxing champ in a brawl. The fighter's manager decides to build up the milkman's reputation in a series of fixed fights and then have the champ beat him to regain his title.