简介：<p>　　Walking along with his bulldog, Charlie finds a &quot;good luck&quot; horseshoe just as he passes a training camp advertising for a boxing partner &quot;who can take a beating.&quot; After watching others lose, Charlie puts the horseshoe in his glove and wins. The trainer prepares Charlie to fight the world champion. A gambler wants Charlie to throw the fight. He and the trainer's daughter fall in love.</p>…