A jeweller is killed in a gang robbery leaving the daughter as the only witness. When the police can't build a case against him she decides to go undercover to infiltrate the home of the killer's brother. Slowly she is drawn into the world of the rival gangs.

Kieron Moore
as Nicholas Conway

Elizabeth Sellars
as Jean Talbot

Edward Underdown
as Michael Conway

John Horsley
as Inspector Trubridge

Robert Raglan
as Sergeant Perkins

Ethel O'Shea
as Mrs Conway

Martin Benson
as Farnborough

Anthony Pelly
as Bentock

Derek Blomfield
as Wilbur

Robert Moore
as Roger
CinemaSerf
When "Jean" (Elizabeth Sellars) witnesses the killing of her jeweller father "Talbot" (Ian Fleming) she vows to bring him to justice. Meantime respected physician "Conway" (Edward Underdown) has just treated his badly beaten brother "Nicholas" (Kieron Moore). Family loyalty and all that, he agrees t...