In the middle of nowhere, 20 years after an apocalyptic terrorist event that obliterated the face of the world!

A group of friends download a Siri-like App which, at first, seems like a harmless way to get directions or a restaurant recommendation. But the sinister nature of the App soon reveals itself. The App not only knows each person’s deepest, darkest fears, but is able to manifest these fears into the real world to literally scare the kids to death.