As the body count continues to rise, Dalziel and Pascoe continue to focus their investigation on Lee Knight. Knight continues to maintain his innocence and says he's being set up by someone. The police uncover that most of the principals are involved in witchcraft of one sort or another. As the victims' bodies are being dismembered, they believe the killer is set to perform some type of ritual. Pascoe believes Knight is innocent and the true killer is someone who is well-known to Andy.