Madison, a senior at a suburban New York high school, tries to uncover who is responsible for the disappearance of her friends, popular students mentioned in the posts of an anonymous blogger, while she, herself, is being stalked online and in-person.

Shelby Sloan copes with threatening e-mails and the nosey media while trying to clear her father's name when he is implicated in the disappearance of three girls from his modeling agency.