Jerry McGuire (William Collier Jr.) is a dress designer in love with shop-girl Hilda Jenson (Shirley Mason). But the problem is that prizefighter Spike Mullins (Johnny Walker) is also in love with Hilda. Jerry, undaunted by the obvious fact that , physically speaking, is no match for the bull-like Spike. Jerry Takes a few boxing lessons and, aided by Hilda, who deliberately overfeeds Spike before the big fight between the two rivals.