Plymouth 1967: Schoolgirl Nell Adams, finds a murder victim on train…
London 1971: Nell Adams is now a university student in London, trying to put her past behind her. Detective Briony Williams is also starting out a new life in London, assigned to the team tracking The Walker, a practised anatomist with a theatrical streak. Two young women, part of the Swinging Sixties generation, soon discover new times mask age-old evil in this gripping psychological thriller of ritual cruelty in London’s dark underbelly.