Raul Rotha well known for his socialist documentaries wrote and directed this 1958 Anvil Production. Based on a book by Michael Halliday, this British suspenseful thriller tells the story of Ann Coltby, (Ann Sears) the daughter of a convicted and executed killer. She believes she has murdered blackmailer Hilton Edwards who wants some diamonds that her father stole. She is befriended by fellow victim of the blackmailer and army deserter Rod Fenner, (Lee Patterson). Does he have an ulterior motive?