Dr Tony Hill hunts down vicious serial killers in the north of England in these psychological thrillers based on the best-selling novels by Val McDermid.
8 episodes available to watch
After he makes an error, all Tony Hill's cases are scrutinised by the police and media.
Do some horrific double murders bear the hallmarks of religious zealotry?
After he solves a prostitute's murder, Alex must find a killer ready to strike once more.
New detective Alex Fielding doesn't like Tony or his methods.