Dick and Nicole Diver are a glamorous couple who take a villa in the South of France and surround themselves with a circle of friends, mainly Americans. Also staying at the resort are Rosemary Hoyt, a young actress, and her mother. Rosemary becomes infatuated with Dick and becomes close to Nicole. Dick toys with the idea of having an affair with Rosemary. Rosemary senses something is wrong with th...