Three-part ITV crime thriller based on the novel by Val Mc Dermid. Juliet Stevenson stars as Catherine Heathcote, a television documentary maker who becomes obsessed with the unsolved disappearance of a teenage girl in a Yorkshire village almost half a century ago. Interweaving events from the past & present, the series shows Catherine's own life unravelling as she gets closer to the truth about the tragic events of the past.