 Just after World War II, socialite Jessie Bourne is home alone one night in her Gramercy Park apartment on New York's East Side when she receives a mysterious phone call that hangs up.Her wealthy playboy husband Brandon is out, enjoying himself at the Del Rio night club.At the night club, young model Rosa Senta admonishes Brandon for going out alone, as Rosa admires Jessie, who has been a customer at the dress salon where Rosa works.