Set in Yorkshire in the 1980s. A child's body is found in woodlands, the parents torn apart by grief. But this is only the first victim in a series of apparently motiveless crimes. Detective Inspector Paul Snow, heading the investigation, must discover the pattern and reveal the chilling truth as a cunning and violent murderer becomes desperate and even more unpredictable. Haunted by secrets of his own, the complex DI Snow races against the clock.