I have to admit, I'm let down by how things concluded. **SPOILERS AHEAD:** "I AM YOUR MOTHER!" Does that ring a bell? It’s a line from another film—a horror movie with some similarities to this one. The movie itself is decent enough. I really wanted to see a supernatural battle between a crow and a witch, but I'm sad we didn't get that. And Bette turns out to be the granddaughter; as far as I can tell,…