A woman mourning the loss of a child is home alone in an area that has been afflicted with recent home invasions. She recieves a knock on the door from a mysterious man who wants to be let in. A woman mourning the loss of a child is home alone in an area that has been afflicted with recent home invasions. She recieves a knock on the door from a mysterious man who wants to be let in. A woman mourning the loss of a child is home alone in an area that has been afflicted with recent home invasions. She recieves a knock on the door from a mysterious man who wants to be let in. A woman mourning the loss of a child is home alone in an area that has been afflicted with recent home invasions. She recieves a knock on the door from a mysterious man who wants to be let in.