Tomas Alfredson’s Swedish horror/romance was adapted by John Ajvide Lindqvist from his 2004 novel. Oskar, a bullied 12-year-old, strikes up a friendship with his new neighbour, the mysterious and moody Eli. Initially reserved, a sweet romance blossoms between them. But a dark, macabre secret revealing Eli’s connection to a string of bloody local murders threatens everything.