In the crisp, early hours of an autumn morning, the police are called to investigate two deaths. The first is a suspected murder at a farm on the outskirts of a small village. The second is a reported suicide at a nearby quarry. As Detective Chief Inspector Louisa Smith and her team gather evidence, they discover a shocking link between the two cases and the two deaths --- a bond that sealed their terrible fates one cold night, under a silent moon.

Police analyst Annabel wouldn't describe herself as lonely. Her work and the needs of her aging mother keep her busy. But Annabel is shocked when she discovers her neighbor's decomposing body in the house next door, and she is appalled to think that no one, including herself, noticed the woman's absence. Annabel sets out to investigate, despite her colleagues' lack of interest, and discovers that such cases are frighteningly common in her hometown.

Genevieve has finally escaped the stressful demands of her sales job and begun a new life aboard a houseboat in Kent. Not many people know that she financed her fresh start by working weekends as a dancer at a less-than-reputable gentlemen's club, and she's determined to keep it that way. But on the night of her housewarming party, the past intrudes when a body washes up beside the boat, and Genevieve recognizes the victim as a fellow dancer.

Catherine (now Cathy) Bailey learns of the impending release of her former lover Lee, whose erratic, controlling behavior frightened her. She begins to return home to find objects subtly rearranged in her apartment, one of Lee’s old tricks. Convinced she is back in his sights, Cathy prepares to wrestle with the demons of her past for the last time.