Unscrupulous boxing promoters, violent bookies, a Russian gangster, incompetent amateur robbers, and supposedly Jewish jewellers fight to track down a priceless stolen diamond.

A small-time hustler makes a deal with a notorious gangster to whom he owes money: marry his teenage son to the latter's daughter. However, the young lovers are not as agreeable.

Lucky Jackson arrives in Las Vegas with his car literally in tow ready for the first Grand Prix — once he has the money for an engine. He gets the cash easily enough but mislays it when the pretty pool manageress takes his mind off things. It seems he'll lose both race and girl, problems complicated by rivalry from womanizing fellow ra...

It's no accident when wealthy Charles falls for Jean. Jean is a con artist with her sights set on Charles' fortune. Matters complicate when Jean starts falling for her mark. When Charles suspects Jean is a gold digger, he dumps her. Jean, fixated on revenge and still pining for the millionaire, devises a plan to get back in Charles' li...