The Door (2014)
What a disappointment. This starts off with an interesting enough idea and fairly creepy execution. A kid saves a wealthy businessman from a mugging, and is rewarded with a job: watch a door in a remote abandoned building from 8pm to 8am to make sure it never opens, for $100k/year. Just watch the door. "What happens if it opens?" "It won't open, because you're going to watch it."
Needless to see, things aren't quite as uneventful as that... put almost. After a decent enough setup to make me want to see what was going to happen, the kid's friends, out partying, show up to bother him, and of course one drunkenly opens the door when the others aren't looking, so they go in to find her... and then, 2/3 of the movie is just "scared teens wandering around darkened corridors". There's lots of people saying, "Did you hear that? I…