The term slow-burn doesn’t really apply to Karyn Kusama‘s paranoia thriller, The Invitation. This Drafthouse title is more appropriately like being slow-roasted alive. The film is effective in that it’s never truly transparent in what it’s trying to do. You may think you have it figured out from the get go, but when the story gets crazy, which is an understatement, things take a turn like you wouldn’t believe. As an actor in the film, Logan Marshall-Green (Devil, Prometheus) was almost like the voice of the audience, a sort of surrogate for our experience – what would we do if we saw someone locking the door at a friend’s dinner…