Turn the Key Softly is a 1951 novel by the British writer John Brophy.
[1] It follows the lives of three women in the first dozen hours after they are released from prison.
In 1953 it was made into a film of the same title directed by Jack Lee and starring Yvonne Mitchell, Joan Collins and Terence Morgan.
You can help Wikipedia by expanding it.See guidelines for writing about novels.
Further suggestions might be found on the article's talk page.