This scene feature Macbeth and lady Macbeth addressing the Banquo issue. Throughout the scene Macbeth’s guilt and paranoia is highlighted “We have scotch’d the snake, not kill’d it: she’ll close and be herself, whilst our poor malice remains in danger of her former tooth.” saying that he can’t be safe as king until they deal with Banquo. Macbeth has his plan but he can’t tell lady Macbeth for her own safety.