In one of his most popular movies, Elvis Presley shared the screen withAnn-Margret in Las Vegas, easily creating the most electrifying teamingElvis had on-screen. He's Lucky Jackson, a Grand Prix race driver working at a casino to raise cash for a new engine; she's a hotel swimming instructor - and the romantic action revs up from their first meeting. Veteran director George Sidney, combines the hormonal heat wave with fascinating sights of '60s Las Vegas.