Stumbling in a daze from the battlefield to the afterlife, Macbeth encounters three spirits—Graymalkin, Paddock and Pyewacket (rhymes with “I thwack it”). They appear to Macbeth as a cat, a toad, and a dog, and they also look familiar. Very familiar. And indeed, that’s what they are: “familiars,” the companion spirits of the three witches whose prophecies led to his ruin, offering Macbeth the chance for a do-over. But will he get it right this time…?