Hugh Grant dishes on his "very messed up" new movie "Heretic," and opens up about his deep dive researching cults and killers for the role. Hugh also hilariously explains why he posted a picture of a rock on Twitter,

The official logline for Heretic reads, “Two young missionaries are forced to prove their faith when they knock on the wrong door and are greeted by a diabolical Mr. Reed (Hugh Grant), becoming ensnared in his deadly game of cat-and-mouse.”