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.
as Nicholas Conway
as Jean Talbot
as Michael Conway
as Inspector Trubridge
as Sergeant Perkins
as Mrs Conway
as Farnborough
as Bentock
as Wilbur
as Roger
as Walters
as Parkes
as Taxi Drive
as Talbot
as Michael's Maid
as Michael's Nurse
as Miss Crall
as Crouch
as Paul
