A young man has a chance to become partners in an auto-repair business, but he doesn't have the money. In order to come up with some quick cash, he decides to temporarily become a professional boxer. The problem is that he isn't an athlete, knows nothing about boxing and stands a very good chance of getting the stuffing beaten out of him.
Heavyweight boxing champion Jack Dempsey stars in this 15 chapter action serial, of which portions of reels 1, 2, and 4 survive. In the serial he plays the star fullback of his college's football team who gets drawn into an adventure when he stops to rescue a young woman from some thugs on a country road. It includes a gag featuring an exploding football. The rest of the cast includes Lon Chaney, Edgar Kennedy, Bull Montana, Josie Sedgwick and Herschel Mayall.
Assistant to freight express agent Dave Haskell in the town of Pitt's Junction, Jim Kelly develops strong biceps lifting egg crates onto the daily train. Jim soon falls in love with Dave's lovely daughter Kitty, who, he worries, is interested in city slicker Perry Woods. When Woods steals $2,000 from the station safe, Jim, thinking that Dave took the money, confesses the crime and leaves for Chicago.