The Witches meet Hecate, Queen of the Witches. Hecate is mad at them for not alerting her about Macbeth. For Macbeth, to her, is just a "wayward son," who cares not for them, probably not worth trifling with. But, in the morning, all of them will meet and he will shortly know his destiny. She is off to the moon, where she will capture a "vaporous drop,".....