Called in to investigate the disappearance of a young couple during a violent storm Paula Maguire forensic psychologist has mixed feelings about going back to Bone Island. Her last family holiday was spent on its beautiful remote beaches and returning brings back memories of her long-lost mother. Outsiders aren't welcome on the island and as she investigates the local community Paula soon suspects foul play. The islanders are hiding secrets from her and each other and with another storm approaching Paula is faced with a choice: leave alive or risk being trapped with a killer on an inescapable island...