A beautiful young dentist working in a tough British prison starts to become attracted to a violent inmate after the break-up of her marriage, and embarks upon an illicit affair with him, with terrible consequences for all.
Sly and dry intelligence agent, Harry Palmer is tasked with investigating British Intelligence security, and is soon enmeshed in a world of double-dealing, kidnap and murder when he finds a traitor operating at the heart of the secret service.
When a priest is jailed for the murder of a nun on whom he was performing an exorcism, an investigative journalist strives to determine whether he in fact murdered a mentally ill person, or if he lost the battle with a demonic presence.