DCI Peter Boyd hunts a killer who murdered a schoolgirl five years earlier. Then the killer contacts him saying he's abducted another girl. Could exhuming the murderer's first victim provide vital clues?
Boyd and the team track down murdered police officer Debbie's married lover, but he denies killing her. Meanwhile, stalker Christopher Redford is ready to confess to the murder, but Grace is not convinced he's the guilty man.