Fair is foul and foul is fair

Thunder cracks and three witches appear.They announce they're searchingfor a Scottish nobleman and war hero named Macbeth,then fly off while chanting a cursethat predicts a world gone mad.Fair is foul and foul is fair.Hover through the fog and filthy air.As seen later, they find Macbethand his fellow nobleman Banquo.All hail Macbeth," they prophesize,that shalt be king hereafter!King? Macbeth wonders.Just what would he have to do to gain the crown?Macbeth and his wife Lady Macbethsoon chart a course of murder, lies, and betrayal.