The French Riviera in the 1920s was 'discovered' by Dick and Nicole Diver who turned it into the playground of the rich and glamorous. Among their circle is Rosemary Hoyt, the beautiful starlet, who falls in love with Dick and is enraptured by Nicole, unaware of the corruption and dark secrets that haunt their marriage. When Dick becomes entangled with Rosemary, he fractures the delicate structure of his relationship with Nicole and the lustre of their life together begins to tarnish.