Suzy Kendall is Polly, an upper-class Chelsea girl who decides to relieve her boredom by slumming in a working-class section of London called Battersea. She gets a job in a candy factory and becomes friends with co-workers Rube (Adrienne Posta) and Sylvie (Maureen Lipman), two sisters. Polly takes up with Peter (Dennis Waterman), who dreams of leaving Battersea and becoming rich.