As a new day begins in the town of Silverton, its residents have little reason to believe it will be anything other than ordinary. Mother Nature, however has other plans. In the span of just a few hours, an unprecedented onslaught of powerful tornadoes ravages Silverton. Storm trackers predict that the worst is still to come, as terrified residents seek shelter, and professional storm-chasers run toward the danger, hoping to study the phenomenon close up and get a once-in-a-lifetime shot.

Popular college student Laura (Alycia Debnam-Carey) has tons of friends, both on Facebook and IRL. She graciously accepts social outcast Marina’s (Liesl Ahlers) online friend request, until Marina crosses the line and Laura unfriends her. To everyone’s shock, Marina takes her own life in a ritual meant to torment Laura, which appears in a video posted on Laura’s profile. Even though it wasn’t Laura who posted the video, or other creepy content that begins appearing on her page, her Facebook friend count begins to dwindle as a result. When her real-life friends start dying mysterious, cruel deaths, Laura must figure out how to break the deadly curse before it’s too late.Enjoying college life as a popular student, Laura 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…