Let the Right One In is a 2008 Swedish romantic horror film directed by Tomas Alfredson, based on the 2004 novel of the same title by John Ajvide Lindqvist, who also wrote the screenplay. From Wikipedia
The film, directed by Thea Hvistendahl and starring Renate Reinsve and Anders Danielsen Lie, is a slow-burn psychological study on grief and bereavement.
