In St Ives, Cornwall, after Freya Kempston fails to return home, Detective Lauren Pengelly and her team are tasked with finding her. Initial leads from mall security footage show Freya with a local mechanic, who denies knowing her. The case takes a grim turn as more women disappear, suggesting a serial predator’s involvement. Lauren and Detective Matt Price discover a hidden connection among the victims, launching a race against time to find them alive.