When the body of four-year-old Poppy Larkin is discovered in a village park, Detective Chief Inspector Casey Porter and her team face a case that shakes even their seasoned composure. As evidence surfaces — the investigation grows darker, reaching far beyond the boundaries of the village.

What begins as a single tragedy soon unravels into a haunting pattern: three children, murdered years apart, all found under eerily similar circumstances. Each clue leads Casey closer to a man who has lived among them unnoticed — and to the buried pain of families who never truly healed.

Haunted by her own sense of failure and driven by the faces of the lost, Casey must navigate the thin line between duty and empathy, suspicion and truth. As her team unearths the long-cold case and traces it to a new suspect — the village’s façade of safety begins to crumble.