This is a movie about a family that newly moved into a neighbourhood after relocating from Boston. Their son Ethan visited the new neighbour Anna Fox a psychologist that works with kids, they got talking and became friends. It was Halloween season and children came to her house throwing snowballs got her distorted and anxious, she started crying and screaming when the new neighbour Jane Russell the mother of the 16-year-old who visited her days ago came to her rescue and offered to call emergency but she declined. She told Jane that she can't go outside because when she does gets panic attacks. She also mentioned that she is agoraphobic (Agoraphobia is a fear of being in situations where escape might be difficult or that help wouldn't be available if things go wrong. Many people assume agoraphobia is simply a fear of open spaces, but it's a more complex condition). When asked about her marital life by Jane, she has been separated from her husband and her 8-year-old daughter, Olivia.
Alistair Russell the husband of Jane Russell knocks on the door of Anna Fox and introduced himself. after which he asked her if any of his family had come around to see her that evening, but she replied was no, telling him that she had been alone.
Later that night Anna Fox suddenly heard a woman screaming from a distance while taking her bath, she got out and quickly rushed to the window and called Ethan's Dad which went into voicemail and immediately she rang Ethan asking if everything was fine at their house, he replied yes with a stifled sob and ended the call. While still looking throw the window she saw Ethan's mum Jane horridly leaving the house. Alistair Russell called back within few mins with an unknown number, stating that she called his number, she told him she heard somebody scream not too long and wanted to check on to know what was going on but he insisted that no one screamed and that everything is fine.