In the final days of summer, a young woman is shot dead in her apartment. Though suspended from the force, disgraced ex-officer Leo can't stay away for long. Bluffing his way onto the crime scene, he examines the dead woman and sees that she is clasping a cheap necklace - a necklace he instantly recognises. As Leo sets out on a rogue investigation to catch the killer, a series of frightening connections emerge, linking the murder to his own troubled youth in Salem and forcing him to confront a long ago incident that changed his life forever.