John is an extraordinary teen, masking his true identity and passing as a typical high school student to elude a deadly enemy seeking to destroy him. Three like him have already been killed ... he is Number Four.
Fledgling writer Briony Tallis, as a 13-year-old, changes the course of several lives when she accuses her older sister's (Keira Knightley) lover (James McAvoy) of a crime he did not commit. Based Ian McEwan's romance novel. In theaters late '07.