A murder investigation is launched when a body is discovered hanging upside down in an abandoned horse box on Aberavon beach. Detective Sergeant Gina Jenkins sets out to find the killer, but the case coincides with her brothers long anticipated release from prison.

The killer targets his third victim and the killing has a seismic impact on Sam and Ginas world. The police step up their efforts to protect the accused men and start to monitor their mobile phones. The killers identity is revealed.