Ok so I'm 21 and I when I was a kid a remember a movie but only two scenes... 1. The man is sitting down at the end of a long dinner table I believe he's carrying a weapon at the other side is a women, he drops a bullet so he goes to pick it up when he lift his head that woman had turned into a monster. SECOND SCENE. A little boy finds a bathroom is full white but with only 1 mirror he suddenly opens the mirror and you can see full darkness the boy then falls In landing in only water as he looks up he only see the white light coming from the bathroom. Please help me find this movie!

House

1986