Greene plays an up and coming boxer with a powerful right hand and a heart of gold. He works night shifts in a bar and has a girlfriend whose father played by Ernest Borgnine disapproves of the relationship thinking Greene is a no good for nothing loser. To prove himself Greene catches the attention of a local boxing promoter played by Giuliano Gemma who decides to make a champion out of his newfound protégé.

Small time crooksters Nick and Charlie have an elaborate plan to rob an exclusive jewelers store. Using a variety of disguises and posing as rich old men and women they begin the set-up, but then Nick falls for the owner of a neighboring antique store and things get a little complicated.