Walkingalongwithhisbulldog,Charliefindsa"goodluck"horseshoejustashepassesatrainingcampadvertisingforaboxingpartner"whocantakeabeating."Afterwatchingotherslose,Charlieputsthehorseshoeinhisgloveandwins.ThetrainerpreparesCharlietofighttheworldchampion.AgamblerwantsCharlietothrowthefight.Heandthetrainer’sdaughterfallinlove.