A Facebook friendship leads to unforeseen consequences when Marina starts getting obsessed with her friend Laura. Feeling wronged by Laura, Marina kills herself. Soon after, Laura finds herself and her friends the targets of a malevolent demonic spirit.
When Laura (Alycia Debnam-Carey), a college student, ignore a mysterious girl's friend request online, the girl commits suicide and Laura finds herself fighting a demonic presence that wants to make her lonely by killing all her friends.