Inspector Francis Sadler

You can't bury the truth forever.... Derbyshire, January 1978. Two girls go missing: Rachel Jones returns, Sophie Jenkins is never found. Thirty years later, Sophie Jenkins' mother commits suicide. Rachel Jones has tried to put the past behind her. But news of the suicide reopens old wounds, and Rachel realises that the only way she can have a future is to finally discover what really happened all those years ago.

It's 2004. In Bampton, Derbyshire, Lena Fisher is arrested for suffocating her husband, Andrew. Spring 2016: A year after Lena's release from prison, Andrew is found murdered in a disused mortuary. Who was the man Lena killed 12 years ago, and why did she lie about his identity? When Lena disappears, her sister, Kat, follows a trail of clues delivered by a teenage boy.

November, 1957: Six teenage girls walk in the churning Derbyshire mists. Their voices carrying across the fields, they follow the old train tracks into the dark tunnel of the Cutting. Only five appear on the other side. October, 2014: a dying mother, feverishly fixated on a friend from her childhood, makes a plea: 'Find Valerie.' Mina's elderly mother had never discussed her childhood with her daughter before. So who was Valerie? Where does her obsession spring from? DC Connie Childs is partnered up with new arrival to Bampton, Peter Dahl.