1) Macbeth, a general in the King Duncan's army, is told a prophecy by three witches that he will become King of Scotland.
2) Driven by ambition and encouraged by his wife, Macbeth murders King Duncan and takes the throne.
3) Macbeth grows increasingly paranoid and tyrannical. He has Banquo, who the witches said would father a line of kings, murdered along with his son Fleance.
4) As forces led by Macduff and the rightful heir Malcolm gather against him, Macbeth meets again with the witches. He is told he cannot be defeated until Birnam Wood comes to Dunsinane, and by no