Set in 1983, Let Me In is the horrific tale of Oskar and Eli. It begins with the grizzly discovery of the body of a teenage boy, emptied of blood. Twelve-year-old Oskar is personally hoping that revenge has come at long last - revenge for all the bad things the bullies at school do to him, day after day. While Oskar is fascinated by the murder, it is not the most important thing in his life. A new girl has moved in next door - a girl who has never seen a Rubik's cube before, but who can solve it at once. They become friends. Then something more. But there is something wrong with her, something odd. And she only comes out at night....