A successful novelist struggling with her latest book experiences a breakdown when she discovers her boyfriend might be having an affair.

Ten years after her tragic death on Halloween night, Charlotte begins to reappear to her mother, Marie, in a series of nightmares - or are they? Only adding to her distress is the news that her young son, Luke, now has a mysterious teenage friend he calls 'The Halloween Girl' - and her name is Charlotte. Has Charlotte really returned - and is Marie's dark secret now in danger of being revealed...?