Enjoying college life as a popular student, Laura (Alycia Debnam-Carey) shares everything with her more than 800 friends on Facebook. But one day, after accepting a friend request from a social outcast named Marina, Laura's life is cursed, and her closest friends begin dying cruel deaths. Before Laura loses all of her 'friends', she must solve the mystery behind Marina's dark past and her Facebook profile, in order to break the deadly spell.
As many people do she shares everything about her life on Facebook and has over 800 friends some probably doesn't know. When she accepts a friend request from the school outcast her Facebook friends start to die one by one . They can't stop uploads or have any control over their Facebook accounts.