In this entry in the long running comedy-drama series, the boys get into the world of prizefighting. When one of Slip's pals is killed in the ring, he and the boys plot their revenge against the gangster responsible. They enlist the aid of the late fighter's boozy brother, who was also a fighter. They convince him into entering the ring one last time. He does so despite the gangster's efforts to stop the boys. The fighter wins and his brother's death is avenged.