Grave Doubts

Sergeant Louise Nightingale is recovering in a remote family home after being attacked by a serial rapist, believing he has been imprisoned for a long time. Unbeknownst to her, a more dangerous, faceless threat is on the loose, leaving a trail of victims and targeting her as his ultimate goal. DCI Andrew Fenwick races against time to find her before the killer does, amid the ominous threat he faces.