![Image Mr. & Mrs. Smith](http://image.tmdb.org/t/p/w500/wzIO3ytxeSNt1wRpXLIdkNbGoDm.jpg)
When a group of teenagers receive an invite to download the latest smartphone app, an intelligent personal assistant, they expect a harmless way to get directions and restaurant recommendations. But the sinister nature of the app soon reveals itself, tormenting the friends by tapping into their darkest fears.