Honeymoon 2014
Surprisingly good. I had this to watch from a while ago, probably 2014, but hadn't gotten to it. I didn't know/remember anything about it except it was on my list. I'm quite glad I didn't. Its a horror film of course. I'd suggest doing the same, watch it without knowing what its about. It will definitely enhance the experience. If not I'm sure you can look online for information about it.
edit, moving this to a 7/10 from a 6.5. Must see.