Some of the most intense, action-packed stories in science fiction and fantasy depend on some huge misunderstandings. People don't actually listen to each other, and never take the time to share info. Which scary or thrilling story would be over in five minutes if people would only have a simple conversation?
Please include a picture or clip of the story in question. And mention the title, and maybe just who ought to have had a wee chat before things got out of hand.
Top image: Harry Potter, where nobody ever tells Harry anything.