2 months before graduation high school student Samantha nickels committed suicide due to judgements received over an embarrassing video of her passed out at prom night . six of her classmates : Marie , Nicole , Jussie , Adam , Malik , and Kenny were especially horrid in their treatment of her, as they were unpopular and Samantha was the most popular girl in school.
2 years later , the six classmates decide to get together to talk with one another via Oovoo, but are ill-prepared when an uninvited seventh person logs onto Samantha's old Oovoo account and shows that he or she knows quite a bit about the prior year's events. The unknown person threatens the group and states that if they log out or stop talking, someone will die. The person torments the friends, by attacking them in their houses. As the chat progresses, the truth about who posted the video begins to emerge and other secrets are revealed that test their friendships