What exactly do we watch in Macbeth? Certainly there is the thriller. Prophecy and hallucination underpin the disturbed psychic texture of its places and epoch. Mysteriously at its outset a man is told he will rise to great office. Fabulously in its conclusion a forest up-and-walks to his castle to bring him his doom. And from storytelling custom we know that wherever prophecy is to be found comes the implication that Time itself has agency and will act, thrillingly indifferent to human choices. Furthermore, where there is hallucination there may be expected deep psychic unrest. We engage with thrillers because,…