This sequence of horror tropes—I can't really call it a movie—is odd in that it definitely is directed well. Individual scenes, if you saw them in isolation, seem creepy. But next to each other in a mishmash, it's just absurd. This is one of the worst-written movies I've ever seen.
The daughter of a young family of parents and kids who appear to be nearly the same age (named in the IMDB credits as "father", "mother", "daughter", and "son") gets an invite on her phone to a music festival that her same-age parents have forbidden her to go to. This invite carries some sort of inexplicable power to infect all the family's electronics, causing them to see an hear things that require a greater suspension of disbelief that I'm capable of: they see videos of each other on their phones doing things they never did, overhear each other having conversations about each other in their earphones and on their tablets that none of them ever actually had, all playing on their deepest insecurities, without anyone ever stopping to ask, "Hey, how come I can hear mom and dad's conversation from another room in my earbuds?"
Dad gets phished and their bank accounts get emptied, so, of course, they decide to go spend a weekend in the woods, where they quickly murder each other for absolutely no reason that's ever revealed. Except for the daughter who survives her father deciding to try to rape her (after his son has shot him in the head, btw, because he wants to play with his phone), and suddenly gets a notification on her phone about the festival: "You have been accepted. Forward invitation to your contact list?" She clicks 'yes'. Fade out on the sound of a bunch of phones ringing.
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