Enter the foggy moors of Scotland where a prophecy from three witches ignites a consuming ambition in a valiant warrior As he and his wife wade deeper into a river of blood to seize and hold the crown they are plagued by guilt paranoia and supernatural terrors The play moves with a breathless nightmarish speed examining how the violation of the moral order destroys the soul It is a terrifying psychological portrait of the corrosive nature of power and the inevitability of justice