Detective Samantha Woodhouse, returns home to Essex County for the first time since graduation to deal with the unexpected death of her father. His passing just another tragedy in an already devastating year for Sam: her own daughter was murdered, resulting in a downward spiral of anguish and guilt that has slowly destroyed her marriage and career. Sam soon discovers that her father’s demise is one in a series of suspicious deaths over the last several years starting with the disappearance of fellow student Katie Owens. Battling hallucinations, insomnia and her own personal demons, Sam struggles to uncover the disturbing truth of what really happened to Katie Owens; a mystery that will lead her to a secretive, centuries-old cult of revenge.