Banquo's role in the original source for Macbeth was as Macbeth's co-conspirator. In Shakespeare's play, he is depicted instead as Macbeth's rival; the role of fellow plotter passed to Lady Macbeth. Like Macbeth, Banquo is open to human yearnings and desires: He is, for example, just as keen to hear what the Witches have in store for him in Act I, Scene 3. He is kept from sleep by his dreams of the Witches