Arthur Tracy and Lilli Palmer star in this 1930's British romantic drama. With his voice faltering due to nerves, celebrated stage performer "The Street Singer" (Tracy) parts company with the theatre and goes to live in a gypsy camp where he meets and falls in love with Susan (Palmer), an attractive young woman who is unaware of his fame.

The Battersea Bats are a gang of four kids who have their den in an abandoned building near the Thames, and they have a plan of action in mind because in about a week there is a soapbox derby being held, a contest they mean to win.