Anna Fox worked as a child psychologist, but one day she became part of a nightmare tragedy, after which she stopped leaving the house. For many years now, she practically does not see people and even communicates with her parents only by phone. Her everyday life consists of glasses of wine watching old films, chatting on the net and watching neighbors from the window of the apartment. Because of the latter, she becomes a witness to the crime in the window opposite, but the police do not believe her testimony. Therefore, the woman decides to get to the bottom of the truth on her own.