Witches! Ghosts! Murders! Is it a new Netflix series? No, it's the Scottish play by William Shakespeare. Find out why you can't say Macbeth in a theater, why King James I hated witches, and why the word "filthy" means so much more than you think it does. Everyone likes to talk Shakespeare, so listen in and be the smartest person at your next party. You can be the one to give this sage advice: Once you're in a river of blood, don't turn back!