This movie is based on a Swedish film, Let The Right One In and a novel of the same name. It tells the story of a twelve year old boy who has a strong friendship with a vampire girl. She lives in the same apartment building with her "father," who has to go out constantly and kill people to obtain blood to feed her. Owen, the boy, is being bullied in school. His connection with Abbey, the vampire girl, becomes stronger as she becomes his friend. Owen eventually finds out about her but it doesn't bother him, because she will not harm him.You will see how their friendship holds firm even after all the bullying and killings. An amazing story.